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 'Alan3354'

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, >>Next

 Mixture_Word_Problems/648378: How many liters of a 30% alcohol solution must be mixed with 80 liters of a 90% solution to get a 40% solution? Here is the equation that I tried to make out of it. .3x times .9(80)= .40 It seems so simple but I keep screwing it up.1 solutions Answer 406690 by Alan3354(31529)   on 2012-09-09 19:43:16 (Show Source): You can put this solution on YOUR website!How many liters of a 30% alcohol solution must be mixed with 80 liters of a 90% solution to get a 40% solution? ---------------- You have 80 l of 90% You add x liters of 30% 80*90 + x*30 = (80 + x)*40 Solve for x
 test/648429: A rocket's speed 2 1/3 miles per second. How fast is this in miles per hour? 1 solutions Answer 406688 by Alan3354(31529)   on 2012-09-09 19:38:47 (Show Source): You can put this solution on YOUR website!A rocket's speed 2 1/3 miles per second. How fast is this in miles per hour? = 2 1/3 mi/sec * 3600 sec/hr
 test/648437: A kilometer is about 5/8 mile. How many kilometers are in 2 3/4 miles?1 solutions Answer 406687 by Alan3354(31529)   on 2012-09-09 19:37:28 (Show Source): You can put this solution on YOUR website!A kilometer is about 5/8 mile. How many kilometers are in 2 3/4 miles? ------------- A kilometer is about 5/8 mile. --> 1 mile =~ 8/5 km Multiply 2 3/4 by 8/5 or = 2.75*1.6 km
 Points-lines-and-rays/648364: How would you sketch three lines that intersect in a point but do not all lie on the same plane? 1 solutions Answer 406682 by Alan3354(31529)   on 2012-09-09 19:18:20 (Show Source): You can put this solution on YOUR website!How would you sketch three lines that intersect in a point but do not all lie on the same plane? ---------- Sketch the x-y-z axes.
 Exponents-negative-and-fractional/648417: i have a problem that im working on and i cant figure out where the .049 came from can you please help me. C=4(8500)^-1/3(8.17) C=4(.049)(8.17) C=.196(8.17) C=1.60 I don't know what to do with the -1/3 nor where the .049 comes into play at1 solutions Answer 406681 by Alan3354(31529)   on 2012-09-09 19:16:25 (Show Source): You can put this solution on YOUR website!i have a problem that im working on and i cant figure out where the .049 came from can you please help me. C=4(8500)^-1/3(8.17) C=4(.049)(8.17) C=.196(8.17) C=1.60 I don't know what to do with the -1/3 nor where the .049 comes into play at -------------
 Mixture_Word_Problems/648376: i need to prepare 180g of 10%cream using 30% stock cream and a cream base? how much is needed of each1 solutions Answer 406680 by Alan3354(31529)   on 2012-09-09 19:11:19 (Show Source): You can put this solution on YOUR website!i need to prepare 180g of 10%cream using 30% stock cream and a cream base? how much is needed of each -------------- What's the cream %age of the cream base?
 Quadratic_Equations/648381: Dfbvf1 solutions Answer 406678 by Alan3354(31529)   on 2012-09-09 19:08:57 (Show Source): You can put this solution on YOUR website!Dfbvf ========= I don't think that's right.
 Triangles/648393: In an isosceles triangle, each base angle is 10 degrees less than 2 times the third angle. Find all three of the angles1 solutions Answer 406676 by Alan3354(31529)   on 2012-09-09 19:07:36 (Show Source): You can put this solution on YOUR website!In an isosceles triangle, each base angle is 10 degrees less than 2 times the third angle. Find all three of the angles ---------- V = vertex angle The other 2 angles are 2V - 10 ----- V + (2V-10) + (2V-10) = 180
 Functions/648410: x f(x) 0 20 2 18 4 16 8 12 Write a function rule for each table. Im confused because i dont know how to figure out the equation. I know it starts as f(x)=________ but i dont know how to solve it. Pls help 1 solutions Answer 406675 by Alan3354(31529)   on 2012-09-09 19:03:25 (Show Source): You can put this solution on YOUR website!The differences are uniform --> linear relationship -------- Pick any 2 pairs (0,20) & (8,12) Find the equation of the line thru the 2 points. ----------------- f(x) = 20 - x is the simplest.
 Inverses/648389: what is the inverse of square root 3136?1 solutions Answer 406674 by Alan3354(31529)   on 2012-09-09 19:01:10 (Show Source): You can put this solution on YOUR website!what is the inverse of square root 3136? ------- = 1/56 or -1/56
 Quadratic_Equations/648400: (x-2)^(2/3)+(x-2)^(1/3)-12=0 the fractions are exponents1 solutions Answer 406671 by Alan3354(31529)   on 2012-09-09 18:48:20 (Show Source): You can put this solution on YOUR website!(x-2)^(2/3)+(x-2)^(1/3)-12=0 ============= Sub y for (x-2)^(1/3) --- y^2 + y - 12 = 0 (y-3)*(y+4) = 0 y = 3 x^(1/3) = 3 x = 27 ============== y = -4 x^(1/3) = -4 x = -64
 Money_Word_Problems/648394: Walt made an extra \$7000 last year from a part-time job. He invested part of the money at 6% and the rest at 8%. He made a total of \$500 in interest. How much was invested at 8%? The equation I came up with was: .06x+.08y=500 But that looks all kindsa wrong1 solutions Answer 406669 by Alan3354(31529)   on 2012-09-09 18:43:05 (Show Source): You can put this solution on YOUR website!Walt made an extra \$7000 last year from a part-time job. He invested part of the money at 6% and the rest at 8%. He made a total of \$500 in interest. How much was invested at 8%? The equation I came up with was: .06x+.08y=500 But that looks all kindsa wrong ======================= No, you're wrong, you're right. jk Your equation is correct. Add another equation, x + y = 7000 and solve them. ======== .06x+.08y=500 x + y = 7000
 Expressions-with-variables/648401: i dont know how to solve this equation, i hope you can help 5(x+12)1 solutions Answer 406667 by Alan3354(31529)   on 2012-09-09 18:41:01 (Show Source): You can put this solution on YOUR website!i dont know how to solve this equation, i hope you can help 5(x+12) ----------- Since it's not an equation (no equal sign) there's nothing to solve.
 Rational-functions/648336: Hi, It has been many years since I've done any Math, and I forgot how to do some simple stuff. Could you please help me to do the steps for this problem?: 1/4=P(A)/(1-P(A)) - - I multiply both sides by the denominator to isolate P(A) (0.25)(1-P(A))=P(A) - - I multiply both sides by 4/4 to convert to a decimal 0.25-(0.25)P(A)=P(A) - - distribute 0.25=(1.25)P(A) - - ? P(A)=0.25/1.25 - - ?? P(A)=0.20 . Thank you very much for your help. Stephanie 1 solutions Answer 406649 by Alan3354(31529)   on 2012-09-09 17:14:26 (Show Source): You can put this solution on YOUR website!1/4=P(A)/(1-P(A)) - - I multiply both sides by the denominator to isolate P(A) (0.25)(1-P(A))=P(A) - - I multiply both sides by 4/4 to convert to a decimal 0.25-(0.25)P(A)=P(A) - - distribute 0.25=(1.25)P(A) - - ? P(A)=0.25/1.25 - - ?? P(A)=0.20 . =================== 1/4 = P/(1-P) Cross multiply (a shortcut and eliminates fractions) 1-P = 4P Add P 1 = 5P P = 1/5 = 0.2
 test/648346: If the area og a square is 290 square fee what is the approximate length?1 solutions Answer 406647 by Alan3354(31529)   on 2012-09-09 17:11:50 (Show Source): You can put this solution on YOUR website!If the area og a square is 290 square fee what is the approximate length? ---------- Area = s^2 = 290 s =~ 17.03 feet
 Geometry_Word_Problems/648342: Is it possible to draw three points that are noncoplanar? Explain?1 solutions Answer 406645 by Alan3354(31529)   on 2012-09-09 17:10:08 (Show Source): You can put this solution on YOUR website!Is it possible to draw three points that are noncoplanar? Explain? ------------------ No, it's not. 3 points determine a plane, unless they're colinear. In either case, they're in the same plane.
 Equations/648307: Here is my equation: p(t+1)=-2 What do I do first to solve?1 solutions Answer 406644 by Alan3354(31529)   on 2012-09-09 17:08:17 (Show Source): You can put this solution on YOUR website!Here is my equation: p(t+1)=-2 What do I do first to solve? ========== Step 1, say what you want to solve for. p or t?
 Volume/648301: What size cube (in cm) would have a volume equal to a quart?1 solutions Answer 406640 by Alan3354(31529)   on 2012-09-09 16:46:36 (Show Source): You can put this solution on YOUR website!What size cube (in cm) would have a volume equal to a quart? ----------- 1 qt = 32 fl oz (one of the dumbest volume units) ---- 12 fl oz drink = 355 ml 12/355 = 32/q 1 q = 355*32/12 ml =~ 947 ml or cc ---- =~ 9.82 cm sides ----------- PS A 10 cm cube = 1000 cc = 1 liter
 Equations/648266: x^(2)+12x=-27 i need to know how to do it, i have the answer but when i try it out i get another final answer, i think its -3 and -9. 1 solutions Answer 406610 by Alan3354(31529)   on 2012-09-09 15:00:51 (Show Source): You can put this solution on YOUR website! (x+3)*(x+9) = 0 x = -3 x = -9
 Geometry_Word_Problems/648246: An isosceles triangle has the area 98cm. find the length of each leg1 solutions Answer 406609 by Alan3354(31529)   on 2012-09-09 14:56:31 (Show Source): You can put this solution on YOUR website!An isosceles triangle has the area 98cm. find the length of each leg ------------ 98 cm is not an area, it's a length. Not enough info
 test/648220: How do I solve the following problem? 4 x 4 + 4 x 4 - 4 + 4 x 41 solutions Answer 406607 by Alan3354(31529)   on 2012-09-09 14:51:06 (Show Source): You can put this solution on YOUR website!How do I solve the following problem? 4 x 4 + 4 x 4 - 4 + 4 x 4 ------------- You multiply, then you add and subtract. PS Use * for multiply, not x.
 test/648214: Factor this completely please: 4n^2 + 20n + 251 solutions Answer 406606 by Alan3354(31529)   on 2012-09-09 14:48:52 (Show Source): You can put this solution on YOUR website!Factor this completely please: 4n^2 + 20n + 25 ------------- When both ends are squares, try that first.
 Trigonometry-basics/648101: find slope for f(x)=7 sin(6 pi(x))1 solutions Answer 406596 by Alan3354(31529)   on 2012-09-09 14:13:09 (Show Source): You can put this solution on YOUR website!f(x) = 7 sin(6 pi(x)) f'(x) = 7*6pi*cos(x) = 42pi*cos(x)
 Points-lines-and-rays/648070: what is the perimeter of a square at 17 feet?1 solutions Answer 406545 by Alan3354(31529)   on 2012-09-09 08:14:54 (Show Source): You can put this solution on YOUR website!what is the perimeter of a square at 17 feet? ----------- It has 4 sides, each is 17 feet.
 Permutations/647852: Greetings, I would like to know hot to expand the following:(3a-2)^4 At the end of my work I got 3x^4-24x^3-72x^2-96x^1-48 In my lessons and practice homework b always had a variable and in this one it doesn't so I wasn't sure if I a right. Please confirm and help. Thank you!1 solutions Answer 406438 by Alan3354(31529)   on 2012-09-08 18:33:49 (Show Source): You can put this solution on YOUR website! ----------
 Inverses/647864: how do you solve y=1/3x1 solutions Answer 406434 by Alan3354(31529)   on 2012-09-08 18:27:19 (Show Source): You can put this solution on YOUR website!how do you solve y=1/3x It is solved.
 Equations/647793: Find the quotient of 8x^5-2x^4+4x^3-6x^2 /2x^21 solutions Answer 406398 by Alan3354(31529)   on 2012-09-08 16:44:12 (Show Source): You can put this solution on YOUR website!Find the quotient of 8x^5-2x^4+4x^3-6x^2 /2x^2 =
 Travel_Word_Problems/647797: Jennifer drives to her friends house 20km away. There is no direct route so she travels 15km through the city at 50km/h and 15km on the highway at 100km/h. The trip takes 27minutes. Find Jennifer's average speed.1 solutions Answer 406387 by Alan3354(31529)   on 2012-09-08 16:11:55 (Show Source): You can put this solution on YOUR website!Jennifer drives to her friends house 20km away. There is no direct route so she travels 15km through the city at 50km/h and 15km on the highway at 100km/h. The trip takes 27minutes. Find Jennifer's average speed. ------------ Avg speed = 2*50*100/(50+100) = 200/3 km/hr -------------- Or, she went 30 km in 27 minutes r = d/t = 30/27 km/min = 200/3 km/hr
 Linear-equations/647725: Find the slope, x-intercept, and y-intercept of line. y=-4x-+11 solutions Answer 406347 by Alan3354(31529)   on 2012-09-08 13:17:50 (Show Source): You can put this solution on YOUR website!Find the slope, x-intercept, and y-intercept of line. y=-4x-+1 ---------- It's in slope-intercept form, y = mx + b m = slope = -4 b = y-intercept = -1 (I think -+1 = -1) ------------ At the x-intercept, y = 0 0 = -4x - 1 x = -1/4
 Numeric_Fractions/647647: Thanks for your reply to my comment about the solution to problem 14557 (ref 647484) but the reply substantiates my claim that the ANSWER given shows the n to be in the denominator and perhaps I was not as lucid in my comment that it didn't emphasize the point. Hopefully, a student will have the opportunity to put both answers (14557 and 647484) together and recognize the truth as given in answer 647484 and understand fully the differences. (It is pretty obvious.)1 solutions Answer 406332 by Alan3354(31529)   on 2012-09-08 10:08:18 (Show Source): You can put this solution on YOUR website!Parentheses are free. Use some, eschew obfuscation.
 Equations/647642: My daughter has a home work question which I am not sure where to start with please can you assist? Question Any square number which is even is always a multiple of 4, please explain why using algebra Many thanks Mark1 solutions Answer 406325 by Alan3354(31529)   on 2012-09-08 07:50:03 (Show Source): You can put this solution on YOUR website! Any square number which is even is always a multiple of 4, please explain why using algebra ------------- An even number has the form 2n which has a factor of 4.