Algebra ->  Tutoring on algebra.com -> See tutors' answers!      Log On

 Tutoring Home For Students Tools for Tutors Our Tutors Register Recently Solved
 By Tutor
| By Problem Number |

Tutor:

# Recent problems solved by 'stanbon'

Jump to solutions: 0..29 , 30..59 , 60..89 , 90..119 , 120..149 , 150..179 , 180..209 , 210..239 , 240..269 , 270..299 , 300..329 , 330..359 , 360..389 , 390..419 , 420..449 , 450..479 , 480..509 , 510..539 , 540..569 , 570..599 , 600..629 , 630..659 , 660..689 , 690..719 , 720..749 , 750..779 , 780..809 , 810..839 , 840..869 , 870..899 , 900..929 , 930..959 , 960..989 , 990..1019 , 1020..1049 , 1050..1079 , 1080..1109 , 1110..1139 , 1140..1169 , 1170..1199 , 1200..1229 , 1230..1259 , 1260..1289 , 1290..1319 , 1320..1349 , 1350..1379 , 1380..1409 , 1410..1439 , 1440..1469 , 1470..1499 , 1500..1529 , 1530..1559 , 1560..1589 , 1590..1619 , 1620..1649 , 1650..1679 , 1680..1709 , 1710..1739 , 1740..1769 , 1770..1799 , 1800..1829 , 1830..1859 , 1860..1889 , 1890..1919 , 1920..1949 , 1950..1979 , 1980..2009 , 2010..2039 , 2040..2069 , 2070..2099 , 2100..2129 , 2130..2159 , 2160..2189 , 2190..2219 , 2220..2249 , 2250..2279 , 2280..2309 , 2310..2339 , 2340..2369 , 2370..2399 , 2400..2429 , 2430..2459 , 2460..2489 , 2490..2519 , 2520..2549 , 2550..2579 , 2580..2609 , 2610..2639 , 2640..2669 , 2670..2699 , 2700..2729 , 2730..2759 , 2760..2789 , 2790..2819 , 2820..2849 , 2850..2879 , 2880..2909 , 2910..2939 , 2940..2969 , 2970..2999 , 3000..3029 , 3030..3059 , 3060..3089 , 3090..3119 , 3120..3149 , 3150..3179 , 3180..3209 , 3210..3239 , 3240..3269 , 3270..3299 , 3300..3329 , 3330..3359 , 3360..3389 , 3390..3419 , 3420..3449 , 3450..3479 , 3480..3509 , 3510..3539 , 3540..3569 , 3570..3599 , 3600..3629 , 3630..3659 , 3660..3689 , 3690..3719 , 3720..3749 , 3750..3779 , 3780..3809 , 3810..3839 , 3840..3869 , 3870..3899 , 3900..3929 , 3930..3959 , 3960..3989 , 3990..4019 , 4020..4049 , 4050..4079 , 4080..4109 , 4110..4139 , 4140..4169 , 4170..4199 , 4200..4229 , 4230..4259 , 4260..4289 , 4290..4319 , 4320..4349 , 4350..4379 , 4380..4409 , 4410..4439 , 4440..4469 , 4470..4499 , 4500..4529 , 4530..4559 , 4560..4589 , 4590..4619 , 4620..4649 , 4650..4679 , 4680..4709 , 4710..4739 , 4740..4769 , 4770..4799 , 4800..4829 , 4830..4859 , 4860..4889 , 4890..4919 , 4920..4949 , 4950..4979 , 4980..5009 , 5010..5039 , 5040..5069 , 5070..5099 , 5100..5129 , 5130..5159 , 5160..5189 , 5190..5219 , 5220..5249 , 5250..5279 , 5280..5309 , 5310..5339 , 5340..5369 , 5370..5399 , 5400..5429 , 5430..5459 , 5460..5489 , 5490..5519 , 5520..5549 , 5550..5579 , 5580..5609 , 5610..5639 , 5640..5669 , 5670..5699 , 5700..5729 , 5730..5759 , 5760..5789 , 5790..5819 , 5820..5849 , 5850..5879 , 5880..5909 , 5910..5939 , 5940..5969 , 5970..5999 , 6000..6029 , 6030..6059 , 6060..6089 , 6090..6119 , 6120..6149 , 6150..6179 , 6180..6209 , 6210..6239 , 6240..6269 , 6270..6299 , 6300..6329 , 6330..6359 , 6360..6389 , 6390..6419 , 6420..6449 , 6450..6479 , 6480..6509 , 6510..6539 , 6540..6569 , 6570..6599 , 6600..6629 , 6630..6659 , 6660..6689 , 6690..6719 , 6720..6749 , 6750..6779 , 6780..6809 , 6810..6839 , 6840..6869 , 6870..6899 , 6900..6929 , 6930..6959 , 6960..6989 , 6990..7019 , 7020..7049 , 7050..7079 , 7080..7109 , 7110..7139 , 7140..7169 , 7170..7199 , 7200..7229 , 7230..7259 , 7260..7289 , 7290..7319 , 7320..7349 , 7350..7379 , 7380..7409 , 7410..7439 , 7440..7469 , 7470..7499 , 7500..7529 , 7530..7559 , 7560..7589 , 7590..7619 , 7620..7649 , 7650..7679 , 7680..7709 , 7710..7739 , 7740..7769 , 7770..7799 , 7800..7829 , 7830..7859 , 7860..7889 , 7890..7919 , 7920..7949 , 7950..7979 , 7980..8009 , 8010..8039 , 8040..8069 , 8070..8099 , 8100..8129 , 8130..8159 , 8160..8189 , 8190..8219 , 8220..8249 , 8250..8279 , 8280..8309 , 8310..8339 , 8340..8369 , 8370..8399 , 8400..8429 , 8430..8459 , 8460..8489 , 8490..8519 , 8520..8549 , 8550..8579 , 8580..8609 , 8610..8639 , 8640..8669 , 8670..8699 , 8700..8729 , 8730..8759 , 8760..8789 , 8790..8819 , 8820..8849 , 8850..8879 , 8880..8909 , 8910..8939 , 8940..8969 , 8970..8999 , 9000..9029 , 9030..9059 , 9060..9089 , 9090..9119 , 9120..9149 , 9150..9179 , 9180..9209 , 9210..9239 , 9240..9269 , 9270..9299 , 9300..9329 , 9330..9359 , 9360..9389 , 9390..9419 , 9420..9449 , 9450..9479 , 9480..9509 , 9510..9539 , 9540..9569 , 9570..9599 , 9600..9629 , 9630..9659 , 9660..9689 , 9690..9719 , 9720..9749 , 9750..9779 , 9780..9809 , 9810..9839 , 9840..9869 , 9870..9899 , 9900..9929 , 9930..9959 , 9960..9989 , 9990..10019 , 10020..10049 , 10050..10079 , 10080..10109 , 10110..10139 , 10140..10169 , 10170..10199 , 10200..10229 , 10230..10259 , 10260..10289 , 10290..10319 , 10320..10349 , 10350..10379 , 10380..10409 , 10410..10439 , 10440..10469 , 10470..10499 , 10500..10529 , 10530..10559 , 10560..10589 , 10590..10619 , 10620..10649 , 10650..10679 , 10680..10709 , 10710..10739 , 10740..10769 , 10770..10799 , 10800..10829 , 10830..10859 , 10860..10889 , 10890..10919 , 10920..10949 , 10950..10979 , 10980..11009 , 11010..11039 , 11040..11069 , 11070..11099 , 11100..11129 , 11130..11159 , 11160..11189 , 11190..11219 , 11220..11249 , 11250..11279 , 11280..11309 , 11310..11339 , 11340..11369 , 11370..11399 , 11400..11429 , 11430..11459 , 11460..11489 , 11490..11519 , 11520..11549 , 11550..11579 , 11580..11609 , 11610..11639 , 11640..11669 , 11670..11699 , 11700..11729 , 11730..11759 , 11760..11789 , 11790..11819 , 11820..11849 , 11850..11879 , 11880..11909 , 11910..11939 , 11940..11969 , 11970..11999 , 12000..12029 , 12030..12059 , 12060..12089 , 12090..12119 , 12120..12149 , 12150..12179 , 12180..12209 , 12210..12239 , 12240..12269 , 12270..12299 , 12300..12329 , 12330..12359 , 12360..12389 , 12390..12419 , 12420..12449 , 12450..12479 , 12480..12509 , 12510..12539 , 12540..12569 , 12570..12599 , 12600..12629 , 12630..12659 , 12660..12689 , 12690..12719 , 12720..12749 , 12750..12779 , 12780..12809 , 12810..12839 , 12840..12869 , 12870..12899 , 12900..12929 , 12930..12959 , 12960..12989 , 12990..13019 , 13020..13049 , 13050..13079 , 13080..13109 , 13110..13139 , 13140..13169 , 13170..13199 , 13200..13229 , 13230..13259 , 13260..13289 , 13290..13319 , 13320..13349 , 13350..13379 , 13380..13409 , 13410..13439 , 13440..13469 , 13470..13499 , 13500..13529 , 13530..13559 , 13560..13589 , 13590..13619 , 13620..13649 , 13650..13679 , 13680..13709 , 13710..13739 , 13740..13769 , 13770..13799 , 13800..13829 , 13830..13859 , 13860..13889 , 13890..13919 , 13920..13949 , 13950..13979 , 13980..14009 , 14010..14039 , 14040..14069 , 14070..14099 , 14100..14129 , 14130..14159 , 14160..14189 , 14190..14219 , 14220..14249 , 14250..14279 , 14280..14309 , 14310..14339 , 14340..14369 , 14370..14399 , 14400..14429 , 14430..14459 , 14460..14489 , 14490..14519 , 14520..14549 , 14550..14579 , 14580..14609 , 14610..14639 , 14640..14669 , 14670..14699 , 14700..14729 , 14730..14759 , 14760..14789 , 14790..14819 , 14820..14849 , 14850..14879 , 14880..14909 , 14910..14939 , 14940..14969 , 14970..14999 , 15000..15029 , 15030..15059 , 15060..15089 , 15090..15119 , 15120..15149 , 15150..15179 , 15180..15209 , 15210..15239 , 15240..15269 , 15270..15299 , 15300..15329 , 15330..15359 , 15360..15389 , 15390..15419 , 15420..15449 , 15450..15479 , 15480..15509 , 15510..15539 , 15540..15569 , 15570..15599 , 15600..15629 , 15630..15659 , 15660..15689 , 15690..15719 , 15720..15749 , 15750..15779 , 15780..15809 , 15810..15839 , 15840..15869 , 15870..15899 , 15900..15929 , 15930..15959 , 15960..15989 , 15990..16019 , 16020..16049 , 16050..16079 , 16080..16109 , 16110..16139 , 16140..16169 , 16170..16199 , 16200..16229 , 16230..16259 , 16260..16289 , 16290..16319 , 16320..16349 , 16350..16379 , 16380..16409 , 16410..16439 , 16440..16469 , 16470..16499 , 16500..16529 , 16530..16559 , 16560..16589 , 16590..16619 , 16620..16649 , 16650..16679 , 16680..16709 , 16710..16739 , 16740..16769 , 16770..16799 , 16800..16829 , 16830..16859 , 16860..16889 , 16890..16919 , 16920..16949 , 16950..16979 , 16980..17009 , 17010..17039 , 17040..17069 , 17070..17099 , 17100..17129 , 17130..17159 , 17160..17189 , 17190..17219 , 17220..17249 , 17250..17279 , 17280..17309 , 17310..17339 , 17340..17369 , 17370..17399 , 17400..17429 , 17430..17459 , 17460..17489 , 17490..17519 , 17520..17549 , 17550..17579 , 17580..17609 , 17610..17639 , 17640..17669 , 17670..17699 , 17700..17729 , 17730..17759 , 17760..17789 , 17790..17819 , 17820..17849 , 17850..17879 , 17880..17909 , 17910..17939 , 17940..17969 , 17970..17999 , 18000..18029 , 18030..18059 , 18060..18089 , 18090..18119 , 18120..18149 , 18150..18179 , 18180..18209 , 18210..18239 , 18240..18269 , 18270..18299 , 18300..18329 , 18330..18359 , 18360..18389 , 18390..18419 , 18420..18449 , 18450..18479 , 18480..18509 , 18510..18539 , 18540..18569 , 18570..18599 , 18600..18629 , 18630..18659 , 18660..18689 , 18690..18719 , 18720..18749 , 18750..18779 , 18780..18809 , 18810..18839 , 18840..18869 , 18870..18899 , 18900..18929 , 18930..18959 , 18960..18989 , 18990..19019 , 19020..19049 , 19050..19079 , 19080..19109 , 19110..19139 , 19140..19169 , 19170..19199 , 19200..19229 , 19230..19259 , 19260..19289 , 19290..19319 , 19320..19349 , 19350..19379 , 19380..19409 , 19410..19439 , 19440..19469 , 19470..19499 , 19500..19529 , 19530..19559 , 19560..19589 , 19590..19619 , 19620..19649 , 19650..19679 , 19680..19709 , 19710..19739 , 19740..19769 , 19770..19799 , 19800..19829 , 19830..19859 , 19860..19889 , 19890..19919 , 19920..19949 , 19950..19979 , 19980..20009 , 20010..20039 , 20040..20069 , 20070..20099 , 20100..20129 , 20130..20159 , 20160..20189 , 20190..20219 , 20220..20249 , 20250..20279 , 20280..20309 , 20310..20339 , 20340..20369 , 20370..20399 , 20400..20429 , 20430..20459 , 20460..20489 , 20490..20519 , 20520..20549 , 20550..20579 , 20580..20609 , 20610..20639 , 20640..20669 , 20670..20699 , 20700..20729 , 20730..20759 , 20760..20789 , 20790..20819 , 20820..20849 , 20850..20879 , 20880..20909 , 20910..20939 , 20940..20969 , 20970..20999 , 21000..21029 , 21030..21059 , 21060..21089 , 21090..21119 , 21120..21149 , 21150..21179 , 21180..21209 , 21210..21239 , 21240..21269 , 21270..21299 , 21300..21329 , 21330..21359 , 21360..21389 , 21390..21419 , 21420..21449 , 21450..21479 , 21480..21509 , 21510..21539 , 21540..21569 , 21570..21599 , 21600..21629 , 21630..21659 , 21660..21689 , 21690..21719 , 21720..21749 , 21750..21779 , 21780..21809 , 21810..21839 , 21840..21869 , 21870..21899 , 21900..21929 , 21930..21959 , 21960..21989 , 21990..22019 , 22020..22049 , 22050..22079 , 22080..22109 , 22110..22139 , 22140..22169 , 22170..22199 , 22200..22229 , 22230..22259 , 22260..22289 , 22290..22319 , 22320..22349 , 22350..22379 , 22380..22409 , 22410..22439 , 22440..22469 , 22470..22499 , 22500..22529 , 22530..22559 , 22560..22589 , 22590..22619 , 22620..22649 , 22650..22679 , 22680..22709 , 22710..22739 , 22740..22769 , 22770..22799 , 22800..22829 , 22830..22859 , 22860..22889 , 22890..22919 , 22920..22949 , 22950..22979 , 22980..23009 , 23010..23039 , 23040..23069 , 23070..23099 , 23100..23129 , 23130..23159 , 23160..23189 , 23190..23219 , 23220..23249 , 23250..23279 , 23280..23309 , 23310..23339 , 23340..23369 , 23370..23399 , 23400..23429 , 23430..23459 , 23460..23489 , 23490..23519 , 23520..23549 , 23550..23579 , 23580..23609 , 23610..23639 , 23640..23669 , 23670..23699 , 23700..23729 , 23730..23759 , 23760..23789 , 23790..23819 , 23820..23849 , 23850..23879 , 23880..23909 , 23910..23939 , 23940..23969 , 23970..23999 , 24000..24029 , 24030..24059 , 24060..24089 , 24090..24119 , 24120..24149 , 24150..24179 , 24180..24209 , 24210..24239 , 24240..24269 , 24270..24299 , 24300..24329 , 24330..24359 , 24360..24389 , 24390..24419 , 24420..24449 , 24450..24479 , 24480..24509 , 24510..24539 , 24540..24569 , 24570..24599 , 24600..24629 , 24630..24659 , 24660..24689 , 24690..24719 , 24720..24749 , 24750..24779 , 24780..24809 , 24810..24839 , 24840..24869 , 24870..24899 , 24900..24929 , 24930..24959 , 24960..24989 , 24990..25019 , 25020..25049 , 25050..25079 , 25080..25109 , 25110..25139 , 25140..25169 , 25170..25199 , 25200..25229 , 25230..25259 , 25260..25289 , 25290..25319 , 25320..25349 , 25350..25379 , 25380..25409 , 25410..25439 , 25440..25469 , 25470..25499 , 25500..25529 , 25530..25559 , 25560..25589 , 25590..25619 , 25620..25649 , 25650..25679 , 25680..25709 , 25710..25739 , 25740..25769 , 25770..25799 , 25800..25829 , 25830..25859 , 25860..25889 , 25890..25919 , 25920..25949 , 25950..25979 , 25980..26009 , 26010..26039 , 26040..26069 , 26070..26099 , 26100..26129 , 26130..26159 , 26160..26189 , 26190..26219 , 26220..26249 , 26250..26279 , 26280..26309 , 26310..26339 , 26340..26369 , 26370..26399 , 26400..26429 , 26430..26459 , 26460..26489 , 26490..26519 , 26520..26549 , 26550..26579 , 26580..26609 , 26610..26639 , 26640..26669 , 26670..26699 , 26700..26729 , 26730..26759 , 26760..26789 , 26790..26819 , 26820..26849 , 26850..26879 , 26880..26909 , 26910..26939 , 26940..26969 , 26970..26999 , 27000..27029 , 27030..27059 , 27060..27089 , 27090..27119 , 27120..27149 , 27150..27179 , 27180..27209 , 27210..27239 , 27240..27269 , 27270..27299 , 27300..27329 , 27330..27359 , 27360..27389 , 27390..27419 , 27420..27449 , 27450..27479 , 27480..27509 , 27510..27539 , 27540..27569 , 27570..27599 , 27600..27629 , 27630..27659 , 27660..27689 , 27690..27719 , 27720..27749 , 27750..27779 , 27780..27809 , 27810..27839 , 27840..27869 , 27870..27899 , 27900..27929 , 27930..27959 , 27960..27989 , 27990..28019 , 28020..28049 , 28050..28079 , 28080..28109 , 28110..28139 , 28140..28169 , 28170..28199 , 28200..28229 , 28230..28259 , 28260..28289 , 28290..28319 , 28320..28349 , 28350..28379 , 28380..28409 , 28410..28439 , 28440..28469 , 28470..28499 , 28500..28529 , 28530..28559 , 28560..28589 , 28590..28619 , 28620..28649 , 28650..28679 , 28680..28709 , 28710..28739 , 28740..28769 , 28770..28799 , 28800..28829 , 28830..28859 , 28860..28889 , 28890..28919 , 28920..28949 , 28950..28979 , 28980..29009 , 29010..29039 , 29040..29069 , 29070..29099 , 29100..29129 , 29130..29159 , 29160..29189 , 29190..29219 , 29220..29249 , 29250..29279 , 29280..29309 , 29310..29339 , 29340..29369 , 29370..29399 , 29400..29429 , 29430..29459 , 29460..29489 , 29490..29519 , 29520..29549 , 29550..29579 , 29580..29609 , 29610..29639 , 29640..29669 , 29670..29699 , 29700..29729 , 29730..29759 , 29760..29789 , 29790..29819 , 29820..29849 , 29850..29879 , 29880..29909 , 29910..29939 , 29940..29969 , 29970..29999 , 30000..30029 , 30030..30059 , 30060..30089 , 30090..30119 , 30120..30149 , 30150..30179 , 30180..30209 , 30210..30239 , 30240..30269 , 30270..30299 , 30300..30329 , 30330..30359 , 30360..30389 , 30390..30419 , 30420..30449 , 30450..30479 , 30480..30509 , 30510..30539 , 30540..30569 , 30570..30599 , 30600..30629 , 30630..30659 , 30660..30689 , 30690..30719 , 30720..30749 , 30750..30779 , 30780..30809 , 30810..30839 , 30840..30869 , 30870..30899 , 30900..30929 , 30930..30959 , 30960..30989 , 30990..31019 , 31020..31049 , 31050..31079 , 31080..31109 , 31110..31139 , 31140..31169 , 31170..31199 , 31200..31229 , 31230..31259 , 31260..31289 , 31290..31319 , 31320..31349 , 31350..31379 , 31380..31409 , 31410..31439 , 31440..31469 , 31470..31499 , 31500..31529 , 31530..31559 , 31560..31589 , 31590..31619 , 31620..31649 , 31650..31679 , 31680..31709 , 31710..31739 , 31740..31769 , 31770..31799 , 31800..31829 , 31830..31859 , 31860..31889 , 31890..31919 , 31920..31949 , 31950..31979 , 31980..32009 , 32010..32039 , 32040..32069 , 32070..32099 , 32100..32129 , 32130..32159 , 32160..32189 , 32190..32219 , 32220..32249 , 32250..32279 , 32280..32309 , 32310..32339 , 32340..32369 , 32370..32399 , 32400..32429 , 32430..32459 , 32460..32489 , 32490..32519 , 32520..32549 , 32550..32579 , 32580..32609 , 32610..32639 , 32640..32669 , 32670..32699 , 32700..32729 , 32730..32759 , 32760..32789 , 32790..32819 , 32820..32849 , 32850..32879 , 32880..32909 , 32910..32939 , 32940..32969 , 32970..32999 , 33000..33029 , 33030..33059 , 33060..33089 , 33090..33119 , 33120..33149 , 33150..33179 , 33180..33209 , 33210..33239 , 33240..33269 , 33270..33299 , 33300..33329 , 33330..33359 , 33360..33389 , 33390..33419 , 33420..33449 , 33450..33479 , 33480..33509 , 33510..33539 , 33540..33569 , 33570..33599 , 33600..33629 , 33630..33659 , 33660..33689 , 33690..33719 , 33720..33749 , 33750..33779 , 33780..33809 , 33810..33839 , 33840..33869 , 33870..33899 , 33900..33929 , 33930..33959 , 33960..33989 , 33990..34019 , 34020..34049 , 34050..34079 , 34080..34109 , 34110..34139 , 34140..34169 , 34170..34199 , 34200..34229 , 34230..34259 , 34260..34289 , 34290..34319 , 34320..34349 , 34350..34379 , 34380..34409 , 34410..34439 , 34440..34469 , 34470..34499 , 34500..34529 , 34530..34559 , 34560..34589 , 34590..34619 , 34620..34649 , 34650..34679 , 34680..34709 , 34710..34739 , 34740..34769 , 34770..34799 , 34800..34829 , 34830..34859 , 34860..34889 , 34890..34919 , 34920..34949 , 34950..34979 , 34980..35009 , 35010..35039 , 35040..35069 , 35070..35099 , 35100..35129 , 35130..35159 , 35160..35189 , 35190..35219 , 35220..35249 , 35250..35279 , 35280..35309 , 35310..35339 , 35340..35369 , 35370..35399 , 35400..35429 , 35430..35459 , 35460..35489 , 35490..35519 , 35520..35549 , 35550..35579 , 35580..35609 , 35610..35639 , 35640..35669 , 35670..35699 , 35700..35729 , 35730..35759 , 35760..35789 , 35790..35819 , 35820..35849 , 35850..35879 , 35880..35909 , 35910..35939 , 35940..35969 , 35970..35999 , 36000..36029 , 36030..36059 , 36060..36089 , 36090..36119 , 36120..36149 , 36150..36179 , 36180..36209 , 36210..36239 , 36240..36269 , 36270..36299 , 36300..36329 , 36330..36359 , 36360..36389 , 36390..36419 , 36420..36449 , 36450..36479 , 36480..36509 , 36510..36539 , 36540..36569 , 36570..36599 , 36600..36629 , 36630..36659 , 36660..36689 , 36690..36719 , 36720..36749 , 36750..36779 , 36780..36809 , 36810..36839 , 36840..36869 , 36870..36899 , 36900..36929 , 36930..36959 , 36960..36989 , 36990..37019 , 37020..37049 , 37050..37079 , 37080..37109 , 37110..37139 , 37140..37169 , 37170..37199 , 37200..37229 , 37230..37259 , 37260..37289 , 37290..37319 , 37320..37349 , 37350..37379 , 37380..37409 , 37410..37439 , 37440..37469 , 37470..37499 , 37500..37529 , 37530..37559 , 37560..37589 , 37590..37619 , 37620..37649 , 37650..37679 , 37680..37709 , 37710..37739 , 37740..37769 , 37770..37799 , 37800..37829 , 37830..37859 , 37860..37889 , 37890..37919 , 37920..37949 , 37950..37979 , 37980..38009 , 38010..38039 , 38040..38069 , 38070..38099 , 38100..38129 , 38130..38159 , 38160..38189 , 38190..38219 , 38220..38249 , 38250..38279 , 38280..38309 , 38310..38339 , 38340..38369 , 38370..38399 , 38400..38429 , 38430..38459 , 38460..38489 , 38490..38519 , 38520..38549 , 38550..38579 , 38580..38609 , 38610..38639 , 38640..38669 , 38670..38699 , 38700..38729 , 38730..38759 , 38760..38789 , 38790..38819 , 38820..38849 , 38850..38879 , 38880..38909 , 38910..38939 , 38940..38969 , 38970..38999 , 39000..39029 , 39030..39059 , 39060..39089 , 39090..39119 , 39120..39149 , 39150..39179 , 39180..39209 , 39210..39239 , 39240..39269 , 39270..39299 , 39300..39329 , 39330..39359 , 39360..39389 , 39390..39419 , 39420..39449 , 39450..39479 , 39480..39509 , 39510..39539 , 39540..39569 , 39570..39599 , 39600..39629 , 39630..39659 , 39660..39689 , 39690..39719 , 39720..39749 , 39750..39779 , 39780..39809 , 39810..39839 , 39840..39869 , 39870..39899 , 39900..39929 , 39930..39959 , 39960..39989 , 39990..40019 , 40020..40049 , 40050..40079 , 40080..40109 , 40110..40139 , 40140..40169 , 40170..40199 , 40200..40229 , 40230..40259 , 40260..40289 , 40290..40319 , 40320..40349 , 40350..40379 , 40380..40409 , 40410..40439 , 40440..40469 , 40470..40499 , 40500..40529 , 40530..40559 , 40560..40589 , 40590..40619 , 40620..40649 , 40650..40679 , 40680..40709 , 40710..40739 , 40740..40769 , 40770..40799 , 40800..40829 , 40830..40859 , 40860..40889 , 40890..40919 , 40920..40949 , 40950..40979 , 40980..41009 , 41010..41039 , 41040..41069 , 41070..41099 , 41100..41129 , 41130..41159 , 41160..41189 , 41190..41219 , 41220..41249 , 41250..41279 , 41280..41309 , 41310..41339 , 41340..41369 , 41370..41399 , 41400..41429 , 41430..41459 , 41460..41489 , 41490..41519 , 41520..41549 , 41550..41579 , 41580..41609 , 41610..41639 , 41640..41669 , 41670..41699 , 41700..41729 , 41730..41759 , 41760..41789 , 41790..41819 , 41820..41849 , 41850..41879 , 41880..41909 , 41910..41939 , 41940..41969 , 41970..41999 , 42000..42029 , 42030..42059 , 42060..42089 , 42090..42119 , 42120..42149 , 42150..42179 , 42180..42209 , 42210..42239 , 42240..42269 , 42270..42299 , 42300..42329 , 42330..42359 , 42360..42389 , 42390..42419 , 42420..42449 , 42450..42479 , 42480..42509 , 42510..42539 , 42540..42569 , 42570..42599 , 42600..42629 , 42630..42659 , 42660..42689 , 42690..42719 , 42720..42749 , 42750..42779 , 42780..42809 , 42810..42839 , 42840..42869 , 42870..42899 , 42900..42929 , 42930..42959 , 42960..42989 , 42990..43019 , 43020..43049 , 43050..43079 , 43080..43109 , 43110..43139 , 43140..43169 , 43170..43199 , 43200..43229 , 43230..43259 , 43260..43289 , 43290..43319 , 43320..43349 , 43350..43379 , 43380..43409 , 43410..43439 , 43440..43469 , 43470..43499 , 43500..43529 , 43530..43559 , 43560..43589 , 43590..43619 , 43620..43649 , 43650..43679 , 43680..43709 , 43710..43739 , 43740..43769 , 43770..43799 , 43800..43829 , 43830..43859 , 43860..43889 , 43890..43919 , 43920..43949 , 43950..43979 , 43980..44009 , 44010..44039 , 44040..44069 , 44070..44099 , 44100..44129 , 44130..44159 , 44160..44189 , 44190..44219 , 44220..44249 , 44250..44279 , 44280..44309 , 44310..44339 , 44340..44369 , 44370..44399 , 44400..44429 , 44430..44459 , 44460..44489 , 44490..44519 , 44520..44549 , 44550..44579 , 44580..44609 , 44610..44639 , 44640..44669 , 44670..44699 , 44700..44729 , 44730..44759 , 44760..44789 , 44790..44819 , 44820..44849 , 44850..44879 , 44880..44909 , 44910..44939 , 44940..44969 , 44970..44999 , 45000..45029 , 45030..45059 , 45060..45089 , 45090..45119 , 45120..45149 , 45150..45179 , 45180..45209 , 45210..45239 , 45240..45269 , 45270..45299 , 45300..45329 , 45330..45359 , 45360..45389 , 45390..45419 , 45420..45449 , 45450..45479 , 45480..45509 , 45510..45539 , 45540..45569 , 45570..45599 , 45600..45629 , 45630..45659 , 45660..45689 , 45690..45719 , 45720..45749 , 45750..45779 , 45780..45809 , 45810..45839 , 45840..45869 , 45870..45899 , 45900..45929 , 45930..45959 , 45960..45989 , 45990..46019 , 46020..46049 , 46050..46079 , 46080..46109 , 46110..46139 , 46140..46169 , 46170..46199 , 46200..46229 , 46230..46259 , 46260..46289 , 46290..46319 , 46320..46349 , 46350..46379 , 46380..46409 , 46410..46439 , 46440..46469 , 46470..46499 , 46500..46529 , 46530..46559 , 46560..46589 , 46590..46619 , 46620..46649 , 46650..46679 , 46680..46709 , 46710..46739 , 46740..46769 , 46770..46799 , 46800..46829 , 46830..46859 , 46860..46889 , 46890..46919 , 46920..46949 , 46950..46979 , 46980..47009 , 47010..47039 , 47040..47069 , 47070..47099 , 47100..47129 , 47130..47159 , 47160..47189 , 47190..47219 , 47220..47249 , 47250..47279 , 47280..47309 , 47310..47339 , 47340..47369 , 47370..47399 , 47400..47429 , 47430..47459 , 47460..47489 , 47490..47519 , 47520..47549 , 47550..47579 , 47580..47609 , 47610..47639 , 47640..47669 , 47670..47699 , 47700..47729 , 47730..47759 , 47760..47789 , 47790..47819 , 47820..47849 , 47850..47879 , 47880..47909 , 47910..47939 , 47940..47969 , 47970..47999 , 48000..48029 , 48030..48059 , 48060..48089 , 48090..48119 , 48120..48149 , 48150..48179 , 48180..48209 , 48210..48239 , 48240..48269 , 48270..48299 , 48300..48329 , 48330..48359 , 48360..48389 , 48390..48419 , 48420..48449 , 48450..48479 , 48480..48509 , 48510..48539 , 48540..48569 , 48570..48599 , 48600..48629 , 48630..48659 , 48660..48689 , 48690..48719 , 48720..48749 , 48750..48779 , 48780..48809 , 48810..48839 , 48840..48869 , 48870..48899 , 48900..48929 , 48930..48959 , 48960..48989 , 48990..49019 , 49020..49049 , 49050..49079 , 49080..49109 , 49110..49139 , 49140..49169 , 49170..49199 , 49200..49229 , 49230..49259 , 49260..49289 , 49290..49319 , 49320..49349 , 49350..49379 , 49380..49409 , 49410..49439 , 49440..49469 , 49470..49499 , 49500..49529 , 49530..49559 , 49560..49589 , 49590..49619 , 49620..49649 , 49650..49679 , 49680..49709 , 49710..49739 , 49740..49769 , 49770..49799 , 49800..49829 , 49830..49859 , 49860..49889 , 49890..49919 , 49920..49949 , 49950..49979 , 49980..50009 , 50010..50039 , 50040..50069 , 50070..50099 , 50100..50129 , 50130..50159 , 50160..50189 , 50190..50219 , 50220..50249 , 50250..50279 , 50280..50309 , 50310..50339 , 50340..50369 , 50370..50399 , 50400..50429 , 50430..50459 , 50460..50489 , 50490..50519 , 50520..50549 , 50550..50579 , 50580..50609 , 50610..50639 , 50640..50669 , 50670..50699 , 50700..50729 , 50730..50759 , 50760..50789 , 50790..50819 , 50820..50849 , 50850..50879 , 50880..50909 , 50910..50939 , 50940..50969 , 50970..50999 , 51000..51029 , 51030..51059 , 51060..51089 , 51090..51119 , 51120..51149 , 51150..51179 , 51180..51209 , 51210..51239 , 51240..51269 , 51270..51299 , 51300..51329 , 51330..51359 , 51360..51389 , 51390..51419 , 51420..51449 , 51450..51479 , 51480..51509 , 51510..51539 , 51540..51569 , 51570..51599 , 51600..51629 , 51630..51659 , 51660..51689 , 51690..51719 , 51720..51749 , 51750..51779 , 51780..51809 , 51810..51839 , 51840..51869 , 51870..51899 , 51900..51929 , 51930..51959 , 51960..51989 , 51990..52019 , 52020..52049 , 52050..52079 , 52080..52109 , 52110..52139 , 52140..52169 , 52170..52199 , 52200..52229 , 52230..52259 , 52260..52289 , 52290..52319 , 52320..52349 , 52350..52379 , 52380..52409 , 52410..52439 , 52440..52469 , 52470..52499 , 52500..52529 , 52530..52559 , 52560..52589 , 52590..52619 , 52620..52649 , 52650..52679 , 52680..52709 , 52710..52739 , 52740..52769 , 52770..52799 , 52800..52829 , 52830..52859 , 52860..52889 , 52890..52919 , 52920..52949 , 52950..52979 , 52980..53009 , 53010..53039 , 53040..53069 , 53070..53099 , 53100..53129 , 53130..53159 , 53160..53189 , 53190..53219 , 53220..53249 , 53250..53279 , 53280..53309 , 53310..53339 , 53340..53369 , 53370..53399 , 53400..53429 , 53430..53459 , 53460..53489 , 53490..53519 , 53520..53549 , 53550..53579 , 53580..53609 , 53610..53639 , 53640..53669 , 53670..53699 , 53700..53729 , 53730..53759 , 53760..53789 , 53790..53819 , 53820..53849 , 53850..53879 , 53880..53909 , 53910..53939 , 53940..53969 , 53970..53999 , 54000..54029 , 54030..54059 , 54060..54089 , 54090..54119 , 54120..54149 , 54150..54179 , 54180..54209 , 54210..54239 , 54240..54269 , 54270..54299 , 54300..54329 , 54330..54359 , 54360..54389 , 54390..54419 , 54420..54449 , 54450..54479 , 54480..54509 , 54510..54539 , 54540..54569 , 54570..54599 , 54600..54629 , 54630..54659 , 54660..54689 , 54690..54719 , 54720..54749 , 54750..54779 , 54780..54809 , 54810..54839 , 54840..54869 , 54870..54899 , 54900..54929 , 54930..54959 , 54960..54989 , 54990..55019 , 55020..55049 , 55050..55079 , 55080..55109 , 55110..55139 , 55140..55169 , 55170..55199 , 55200..55229 , 55230..55259 , 55260..55289 , 55290..55319 , 55320..55349 , 55350..55379 , 55380..55409 , 55410..55439 , 55440..55469 , 55470..55499 , 55500..55529 , 55530..55559 , 55560..55589 , 55590..55619 , 55620..55649 , 55650..55679 , 55680..55709 , 55710..55739 , 55740..55769 , 55770..55799 , 55800..55829 , 55830..55859 , 55860..55889 , 55890..55919 , 55920..55949 , 55950..55979 , 55980..56009 , 56010..56039 , 56040..56069 , 56070..56099 , 56100..56129 , 56130..56159 , 56160..56189 , 56190..56219 , 56220..56249 , 56250..56279 , 56280..56309 , 56310..56339 , 56340..56369 , 56370..56399 , 56400..56429 , 56430..56459 , 56460..56489 , 56490..56519 , 56520..56549 , 56550..56579 , 56580..56609 , 56610..56639 , 56640..56669 , 56670..56699 , 56700..56729 , 56730..56759 , 56760..56789 , 56790..56819 , 56820..56849 , 56850..56879 , 56880..56909 , 56910..56939 , 56940..56969 , 56970..56999 , 57000..57029 , 57030..57059 , 57060..57089 , 57090..57119 , 57120..57149, >>Next

 Points-lines-and-rays/472278: 1. If the angle of a triangle are in the ratio if 5:3:7,then what triangle is it 2. The angle which is twice it supplement is {a}60 {b}120 {c} 110 {d}1301 solutions Answer 323833 by stanbon(57203)   on 2011-07-20 09:12:18 (Show Source): You can put this solution on YOUR website!1. If the angle of a triangle are in the ratio if 5:3:7,then what triangle is it ---- Solve for "x": 5x + 3x + 7x = 180 15x = 180 x = 12 --- 3x = 36 degrees 5x = 60 degrees 7x = 84 degrees ---- Type of triangle: scalene ================================== 2. The angle which is twice its supplement is ? Let the angle be "x". Its supplement is "180-x". --- Equation: x = 2(180-x) x = 360-2x 3x = 360 x = 120 degrees ------- Cheers, Stan H. ===================== {a}60 {b}120 {c} 110 {d}130
 Matrices-and-determiminant/472276: I have started the problem but am lost as to how to continue. 4x − y = 2 8x + 10y = −4 This was the problem I was given and was asked to use the Gauss-Jordan method to find the solution to the system of equations. So far I did the first step but I need help understanding the steps that follow.1 solutions Answer 323825 by stanbon(57203)   on 2011-07-20 07:54:12 (Show Source): You can put this solution on YOUR website!4x − y = 2 8x + 10y = −4 ---------------- Subtract 2 times the 1st equation from the 2nd to get: 4x - y = 2 0x +12y=-8 ---- Divide thru the 2nd equation by 12 to get: 4x - y = 2 0 + y = -2/3 ---- Add the 2nd equation to the 1st to get: 4x + 0 = 4/3 0 + y = -2/3 ----- Divide thru the 1st equation by 4 to get: x + 0 = (1/3) 0 + y = (-2/3) ==== That is the final answer: Cheers, Stan H.
 Divisibility_and_Prime_Numbers/472275: Please Expain the steps to divide a^2-49/a-7 1 solutions Answer 323823 by stanbon(57203)   on 2011-07-20 07:49:55 (Show Source): You can put this solution on YOUR website!Please Expain the steps to divide a^2-49/a-7 --- Factor the numerator: a^2-49 = (a-7)(a+7) ---- Problem is now: [(a+7)(a-7)]/[a-7] --- Cancel the factor common to numerator and denominator to get: --- = a+7 =========== Cheers, Stan H. ===========
 Expressions-with-variables/472147: I am trying to divide a polynomial by a monomial. Divide: x^2 + 3x - 18 by x - 3 First I divided each term of the numerator by x - 3. x2/(x-3) + 3x/(x-3) - 18/(x-3) Next I found common factors. ((x*x)/(x-3)) + ((x*3)/(x-3)) - ((6*3)/(x-3)) I divided out the common factors, and ended up with: x/-3 + (-1) - 6/x Is this correct? Would you please show me step by step, exactly how this problem should work out if this is not correct? 1 solutions Answer 323749 by stanbon(57203)   on 2011-07-19 22:10:58 (Show Source): You can put this solution on YOUR website!I am trying to divide a polynomial by a monomial. Divide: x^2 + 3x - 18 by x - 3 ----------------- (x^2+3x-18)/(x-3) ---- Factor where you can: = [(x+6)(x-3)]/(x-3) --- = Cancel the common factor (x-3) to get: --- = x+6 ====================================== Cheers, Stan H. ==========
 Numbers_Word_Problems/472144: one number is 25% of another. the larger number is 12 more than the smaller. What are the numbers? I tried .25 * 12 =x Which would make one of the numbers 3 and if you add 3 to both sides you get 15. i don't think I am making this into a correct algebraic expression or getting the right answer. 1 solutions Answer 323743 by stanbon(57203)   on 2011-07-19 22:07:23 (Show Source): You can put this solution on YOUR website!one number is 25% of another. the larger number is 12 more than the smaller. What are the numbers? ------------- smaller number: x larger number: 1.25x ------ Equation: 1.25x = x + 12 0.25x = 12 x = 48 1.25x = 60 ================ Cheers, Stan H.
 Probability-and-statistics/472098: According to Nielson Media Research, 75% of all U.S households have cable television. In a random sample of 300 households determine the mean and the standard deviation.1 solutions Answer 323716 by stanbon(57203)   on 2011-07-19 20:55:37 (Show Source): You can put this solution on YOUR website!According to Nielson Media Research, 75% of all U.S households have cable television. In a random sample of 300 households determine the mean and the standard deviation. -------------- mean = np = 300*0.75 = 225 --- std = sqrt(npq) = sqrt(225*0.25) = 7.5 ============ Cheers, Stan H. =========
 Travel_Word_Problems/472084: Jonathan is driving at a speed of 42 feet per hour. At this speed, how many inches will Jonathan travel in 1 minute?1 solutions Answer 323694 by stanbon(57203)   on 2011-07-19 20:05:44 (Show Source): You can put this solution on YOUR website!Jonathan is driving at a speed of 42 feet per hour. At this speed, how many inches will Jonathan travel in 1 minute? ---- [42 (ft/hr)][12 in/ 1 ft][1 hr/60 min] ---- = (42*12*1)/(1*1*60)(inches/min) ----- = 8.4 inches/minute ====================== Cheers, Stan H.
 Probability-and-statistics/472065: A standard placement test has a mean of 115 and a standard deviation of 10. What is the minimum sample size required if we want to construct the 90% confidence interval with the margin of error 2 points?. 1 solutions Answer 323693 by stanbon(57203)   on 2011-07-19 20:01:44 (Show Source): You can put this solution on YOUR website!A standard placement test has a mean of 115 and a standard deviation of 10. What is the minimum sample size required if we want to construct the 90% confidence interval with the margin of error 2 points?. ---- ME = z*s/sqrt(n) --- 2 = 1.645*10/sqrt(n) ---- sqrt(n) = [1.645*10/2] --- sqrt(n) = 8.225 --- n = 68 when rounded up ============================= Cheers, Stan H.
 test/472076: Solve the quadratic equation by completing the perfect square X squared -14x-5=01 solutions Answer 323692 by stanbon(57203)   on 2011-07-19 19:57:25 (Show Source): You can put this solution on YOUR website!Solve the quadratic equation by completing the perfect square X squared -14x-5=0 ---- x^2 - 14x + ? = 5 + ? --- x^2 - 14x + 7^2 = 5 + 7^2 --- Factor: (x-7)^2 = 54 --- x-7 = sqrt(54) or x-7 = -sqrt(54) --- x = 7+sqrt(54) or x = 7-sqrt(54) ==================================== Cheers, Stan H. ===========
 Mixture_Word_Problems/472081: How many liters of pure water must be added to 6 liters of a 30% solution to get a 10% solution1 solutions Answer 323691 by stanbon(57203)   on 2011-07-19 19:54:17 (Show Source): You can put this solution on YOUR website!How many liters of pure water must be added to 6 liters of a 30% solution to get a 10% solution ---- Equation: water + water = water x + 0.70*6 = 0.90(x+6) ---- Multiply thru by 100 to get: 100x + 70*6 = 90x + 90*6 --- 10x = 20*6 x = 3 liters (amt. of pure water needed) =========== Cheers, Stan H. ===========
 Polynomials-and-rational-expressions/472075: Which of the following describes the end behavior of the graph of the function f(x) = 4x5 – x + 10 ? Explain. A. Upward to the left and downward to the right(i think this is the correct answer) B. Downward to the left and upward to the right C. Upward to the left and upward to the right D. Downward to the left and downward to the right 1 solutions Answer 323689 by stanbon(57203)   on 2011-07-19 19:51:28 (Show Source): You can put this solution on YOUR website!Which of the following describes the end behavior of the graph of the function f(x) = 4x^5 – x + 10 ? Explain. ---- Ans: 4x^5 determines the end behavior of the graph. --- As x goes to -oo, 4x^5 goes to -oo (or downward) --- As x goes to +oo, 4x^5 goes to +oo (or upward) ----A Ans: B ============= Cheers, Stan H. ============= A. Upward to the left and downward to the right(i think this is the correct answer) B. Downward to the left and upward to the right C. Upward to the left and upward to the right D. Downward to the left and downward to the right
 logarithm/472000: change the form of the following:(log-exp or exp-log) y=7^x-5 __________ 1nM^5=3 ___________1 solutions Answer 323644 by stanbon(57203)   on 2011-07-19 16:18:43 (Show Source): You can put this solution on YOUR website!change the form of the following: (log to exp or exp to log) y=7^x-5 __________ base = 7 exponent = log = x-5 result = y --- log form: log7(y) = x-5 ======================= 1nM^5=3 ___________ base = e log = exponent = 3 result = M^5 ---- Exponential Form: M^5 = e^3 ================= Cheers, Stan H.
 Linear_Algebra/472003: I have the answer for this problem one way and my friend has it another way. X = -8, -6 my friend has x = -6, -4 which one of us is right?1 solutions Answer 323643 by stanbon(57203)   on 2011-07-19 16:12:43 (Show Source): You can put this solution on YOUR website![x^2 + 2x - 36] = 12 ------------ x^2 + 2x -48 = 0 ---- Factor: (x+8)(x-6) = 0 --- x = -8 or x = 6 =========================== Cheers, Stan H. =====================
 Linear-equations/472009: Find the value of "a" if a line containing the point (a,-3a) has a y-intercept of 7 and a slope of -2/3. I used the slope formula to set it up: -2/3=(-3a-7)/a but got stuck. Help please1 solutions Answer 323642 by stanbon(57203)   on 2011-07-19 16:07:18 (Show Source): You can put this solution on YOUR website!Find the value of "a" if a line containing the point (a,-3a) has a y-intercept of 7 and a slope of -2/3. ---------------------- y = (-2/3)x + 7 --- -3a = (-2/3)a + 7 -9a = -2a + 21 7a = -21 a = -3 ------ ================ Cheers, Stan H. ===================
 logarithm/472004: determine the zeros(if any) of (round to nearest hundredths) f(x)=-1+1/2 1n(x-7) 1 solutions Answer 323641 by stanbon(57203)   on 2011-07-19 16:03:55 (Show Source): You can put this solution on YOUR website!determine the zeros(if any) of (round to nearest hundredths) f(x)=-1+1/2 1n(x-7) ---- -1 + (1/2)ln(x-7) = 0 ln(x-7)^(1/2) = 1 --- sqrt(x-7) = e ---- x-7 = e^2 --- x = e^2+7 x = 14.39 ============== Cheers, Stan H. ==============
 Polynomials-and-rational-expressions/472008: write the expression in lowest terms. y^3+8 _____ y^3-2y^2+4y1 solutions Answer 323639 by stanbon(57203)   on 2011-07-19 16:00:53 (Show Source): You can put this solution on YOUR website!write the expression in lowest terms. y^3+8 _____ y^3-2y^2+4y ===================== = [(y+2)(y^2-2y+4)]/[y(y^2-2y+4)] ----- = (y-2) ============= Cheers, Stan H.
 Equations/472006: Can someone please help me, and let show me each step? x-5[x-4x(x-3)]=241 solutions Answer 323637 by stanbon(57203)   on 2011-07-19 15:58:52 (Show Source): You can put this solution on YOUR website!x-5[x-4x(x-3)]=24 ---------------- Work form inside the brackets to outside the brackets: --- x-5[x-4x^2+12x] = 24 ---- x-5[-4x^2+13x] = 24 ---- x +20x^2-65x = 24 --- 20x^2-64x-24 = 0 ---- 5x^2-16x-6 = 0 --- x = [16 +- sqrt(16^2-4*5*-6)]/10 ---- x = [16 +- sqrt(376)]/10 ---- x = [16 +- 19.4]/10 ============================ Cheers, Stan H. ============
 Probability-and-statistics/471991: How is a sampling distribution of the mean similar and different from a distribution of raw scores?1 solutions Answer 323635 by stanbon(57203)   on 2011-07-19 15:51:55 (Show Source): You can put this solution on YOUR website!How is a sampling distribution of the mean similar and different from a distribution of raw scores? ---- Mean of the sample means = mean of the population. ---- Std of the sample means = std(population)/sqrt(sample size) ==================== Cheers, stan H.
 Length-and-distance/471963: If Connie has 1 1/2 bups of flour and a cake recipe calls for 1 1/4 cups of flour, then what percent of her flour will she use to make the cake?1 solutions Answer 323626 by stanbon(57203)   on 2011-07-19 14:19:35 (Show Source): You can put this solution on YOUR website!If Connie has 1 1/2 cups of flour and a cake recipe calls for 1 1/4 cups of flour, then what percent of her flour will she use to make the cake? ----- Quantity used: (3/4) cup --- Percent used: (3/4)/(3/2) = (3/4)(2/3) = 1/2 = 50% ==================== Cheers, Stan H.
 test/471956: multiply (q + ¾) (q + ¾) 1 solutions Answer 323625 by stanbon(57203)   on 2011-07-19 14:16:30 (Show Source): You can put this solution on YOUR website!multiply (q + ¾) (q + ¾) ------- Use FOIL: F: q^2 O:(3/4)q I:(3/4)q L:(9/16) -------------- Ans: q^2 + (3/2)q + (9/16) ============================== Cheers, Stan H. ==========
 test/471954: a desert outpost has a water supply that is sufficient to last 21 days for 15 people. at the same average rate of water consumption per person , how many days would the water supply last for 9 people?1 solutions Answer 323624 by stanbon(57203)   on 2011-07-19 14:14:18 (Show Source): You can put this solution on YOUR website!a desert outpost has a water supply that is sufficient to last 21 days for 15 people. at the same average rate of water consumption per person , how many days would the water supply last for 9 people? ---- # of days and # of people are inversely related: d = k/n --- Solve for "k" using "outpost has a water supply that is sufficient to last 21 days for 15 people" 21 = k/15 k = 15*21 ----- Equation: d = 315/n ------------- Solve "how many days would the water supply last for 9 people?" d = 315/9 # of days = 35 ===================== Cheers, Stan H. ===========
 Inequalities/471951: Can you please show me the steps to solve the following: |3x-5|+1=41 solutions Answer 323622 by stanbon(57203)   on 2011-07-19 14:07:28 (Show Source): You can put this solution on YOUR website!|3x-5|+1=4 --- |3x-5| = 3 --- 3x-5 = 3 or 3x-5 = -3 3x = 8 or 3x = 2 x = 8/3 or x = 2/3 ======================== Cheers, Stan H.
 Probability-and-statistics/471947: Here is the question: The captain of a Navy gunboat orders a volley of 25 missiles to be fired at random along a five-hundred-foot stretch of shoreline that he hopes to establish as a beachhead. Dug into the beach is a thirty-foot-long bunker serving as the enemy's first line of defense. The captain has reason to believe that the bunker will be destroyed if at least three of the missiles are on-target. What is the probability of that happening? This is how I would start. successes=missiles hitting bunker, n=25, p= 30/500=.06, 1-p=.94, k=3 through 25. Does that sound right?1 solutions Answer 323617 by stanbon(57203)   on 2011-07-19 13:50:41 (Show Source): You can put this solution on YOUR website!The captain of a Navy gunboat orders a volley of 25 missiles to be fired at random along a five-hundred-foot stretch of shoreline that he hopes to establish as a beachhead. Dug into the beach is a thirty-foot-long bunker serving as the enemy's first line of defense. The captain has reason to believe that the bunker will be destroyed if at least three of the missiles are on-target. What is the probability of that happening? This is how I would start. successes=missiles hitting bunker, n=25, p= 30/500=.06, 1-p=.94, k=3 through 25. Does that sound right? ---- Sounds good to me. Cheers, Stan H.
 Miscellaneous_Word_Problems/471949: She had 24\$ to spend on7 pens after buying thm she had 10\$ how much did each pen cost?1 solutions Answer 323616 by stanbon(57203)   on 2011-07-19 13:47:46 (Show Source): You can put this solution on YOUR website!She had 24\$ to spend on 7 pens after buying thm she had 10\$ how much did each pen cost? --- Let "x" be cost of each pen. ---- Equation: 10 + 7x = 24 7x = 14 x = \$2 (cost of each pen) ========================== Cheers, Stan H.
 Travel_Word_Problems/471820: During the first part of a trip, a canoiest travels 100miles at a certain speed. The canoiest travels 45miles on the second part of the trip at a speed 5mph slower. The total time for the trip is 3hrs. What was the speed on each part of the trip?1 solutions Answer 323552 by stanbon(57203)   on 2011-07-19 08:20:29 (Show Source): You can put this solution on YOUR website!During the first part of a trip, a canoiest travels 100 miles at a certain speed. ---------------- The canoiest travels 45miles on the second part of the trip at a speed 5mph slower. ----------- The total time for the trip is 3hrs. ---------------- What was the speed on each part of the trip? === 1st Part DATA: distance = 100 miles ; rate = r mph ; time = 100/r hrs ---------- 2nd Part DATA: distance = 45 miles : rate = r-5 mph ; time = 45/(r-5) hrs --------- Equation: time + time = 3 hrs 100/r + 45/(r-5) = 3 hrs --- 100(r-5) + 45r + 3r(r-5) --- 145r - 500 = 3r^2-15r --- 3r^2 -160r + 500 = 0 --- I graphed the quadratic and found a realistic solution at r = 50 mph (rate on 1st part of trip) --- Then r-5 = 45 mph (rate on 2nd part of trip) ================== Cheers, Stan H. ==================
 Systems-of-equations/471819: Can you please Help" Divide and Check: 4x^4y-8x^6y^2+12x^8y^6/4x^4y1 solutions Answer 323551 by stanbon(57203)   on 2011-07-19 08:10:58 (Show Source): You can put this solution on YOUR website!Divide and Check: 4x^4y-8x^6y^2+12x^8y^6/4x^4y ---- The 4x^4y is a common denominator for each of the numerator terms. ---------- = 1 - 2x^2y + 3x^4y^5 ---- ---- Checking the answer: (1 - 2x^2y + 3x^4y^5)*(4x^4y) --- = 4x^4y - 8x^6y^2 + 12x^8y^6 ================== Cheers, Stan H.
 Equations/471816: Express in terms of i. 3 √-1041 solutions Answer 323549 by stanbon(57203)   on 2011-07-19 08:08:39 (Show Source): You can put this solution on YOUR website!Express in terms of i. 3 √-104 --- = 3i*sqrt(104) --- = 3i*sqrt(4*26) ---- = 2*3i*sqrt(26) --- = 6sqrt(26)i ================== cheers, Stan H.
 Word_Problems_With_Coins/471800: Jayee's piggy bank contains 70 coins, in 25 centavo and 5 peso coins. the total amount of the coins is 160 pesos. how many of each kind were there?1 solutions Answer 323548 by stanbon(57203)   on 2011-07-19 08:05:14 (Show Source): You can put this solution on YOUR website!Jayee's piggy bank contains 70 coins, in 25 centavo and 5 peso coins. the total amount of the coins is 160 pesos. how many of each kind were there? -------------- 1 peso = 100 centavos 5 peso = 500 centavos ----------------------------- Equations: Quantity: c + p = 70 coins Value::: 25c+500p = 16000 centavos --------------------------- Modify: 25c + 25p = 25*70 25c+ 500p = 16000 --- Subtract and solve for "p": 475p = 14250 p = 30 (# of 5 peso coins) --- Solve for "c": c + p = 70 c = 40 (# of 25 centavo coins) ======================= Cheers, Stan H. =============
 Numeric_Fractions/471811: (-3x)(6y) 1 solutions Answer 323546 by stanbon(57203)   on 2011-07-19 07:47:32 (Show Source): You can put this solution on YOUR website!(-3x)(6y) --- = -18xy ============ Cheers, Stan H.
 Equations/471802: A projectile is fired from a cliff 100 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 170 feet per second. The height h of the projectile above the water is given by h(x)=(-32x^2)/((170)^2)=x=100 where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum? A. 225.78 ft B. 451.56 ft C. 325.78 ft D. 777.34 ft 1 solutions Answer 323545 by stanbon(57203)   on 2011-07-19 07:44:17 (Show Source): You can put this solution on YOUR website!You are not posting the equation correctly. Cheers, Stan H.
 Polynomials-and-rational-expressions/471807: Find all zeros of the function and write the polynomial as a product of linear factors. A. B. C. D. 1 solutions Answer 323544 by stanbon(57203)   on 2011-07-19 07:40:35 (Show Source): You can put this solution on YOUR website!f(x) = x^3 + 8x^2 + 22x + 20 --- I graphed "f" and found a Real root at x = -2 --- Then, using synthetic division I get: --- -2)....1...8....22....20 ........1...6....10...|..0 --- Solve x^2+6x+10 = 0 x = [-6 +- sqrt(36-4*10)]/2 --- x = [-6 +- sqrt(-4)]/2 --- x = -3 +- i ================= Answer: A =============== cheers, Stan H. ================ A. B. C. D.