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, >>Next

 Trigonometry-basics/522763: Find all solutions of the equation in the interval [0, 2pi). sin(2x)=((-sqrt(3))/2)1 solutions Answer 346982 by Alan3354(30993)   on 2011-10-28 11:40:09 (Show Source): You can put this solution on YOUR website!sin(2x)=((-sqrt(3))/2) --------- 2x = 240, 300, 600, 660 degs x = 120, 150, 300, 330 degs or x = 2pi/3, 5pi/6, 5pi/3, 11pi/6 radians
 Matrices-and-determiminant/522768: i need to learn how to get the system of solving matrices i keep screwing them up and my math teacher is to dumb to even help us any tips??????1 solutions Answer 346980 by Alan3354(30993)   on 2011-10-28 11:36:51 (Show Source): You can put this solution on YOUR website!It's an error prone business. You just have to be careful. There are sites that go to 10x10, maybe higher, you can use those to check your answers.
 Unit_Conversion_Word_Problems/522765: You tell your friend that it is 100 metres across the bay. They want to know how many feet that is?1 solutions Answer 346978 by Alan3354(30993)   on 2011-10-28 11:29:00 (Show Source): You can put this solution on YOUR website!Convert the meters to feet. You have to look it up, or remember it.
 Mixture_Word_Problems/522737: how do i find the equation of the parabola, y=ax^2+bx+c, that passes through the following three points : (-2,40),(1,7),(3,15)?1 solutions Answer 346976 by Alan3354(30993)   on 2011-10-28 11:19:54 (Show Source): You can put this solution on YOUR website!Another method, using determinants: ---------- Parabola x y x^2 Coeff Point 1 -2 40 4 1 Point 2 1 7 1 1 Point 3 3 15 9 1 -------------- I have an Excel sheet that does these. --> y = 3x^2 - 8x + 12 --------------------------- That was no help at all, except for confirming the solution.
 expressions/522756: need help seeing if these two expressions are equivalent -2(3m-7) 14-6m You put -1 in for M1 solutions Answer 346975 by Alan3354(30993)   on 2011-10-28 11:12:36 (Show Source): You can put this solution on YOUR website!need help seeing if these two expressions are equivalent -2(3m-7) 14-6m You put -1 in for M ----------------- -2(3m-7) = -2*3m + -2*(-7) = -6m + 14 = 14 - 6m, so they're equal. -------------- Testing with any number is not proof they're equal. Testing with a number and finding them not equal is sufficient to disprove it, but it's not a sufficient test to prove that they're equal for ALL values of m. ---------
 Money_Word_Problems/522718: They needed \$486,000 to start the business. They invested in the ratio of 13:14. How much money did Clinton invest?1 solutions Answer 346970 by Alan3354(30993)   on 2011-10-28 10:04:04 (Show Source): You can put this solution on YOUR website!They needed \$486,000 to start the business. They invested in the ratio of 13:14. How much money did Clinton invest? ------------- 13+14 = 27 486000/27 = 18000 ------- 13*18000 = 234000 14*18000 = 252000
 Travel_Word_Problems/522717: if your car takes 20 miles to the gallon how much money will i spend in gas for a 260 mile trip?1 solutions Answer 346967 by Alan3354(30993)   on 2011-10-28 09:58:40 (Show Source): You can put this solution on YOUR website!260 mi/20 mi/gal = 13 gallons Depends on the price.
 Triangles/522715: Please Help : The lengths of the sides of a triangle are 7cm, 12cm, 6cm. Is the triangle a right triangle, an acute triangle, or an obtuse triangle?1 solutions Answer 346966 by Alan3354(30993)   on 2011-10-28 09:57:27 (Show Source): You can put this solution on YOUR website!The lengths of the sides of a triangle are 7cm, 12cm, 6cm. Is the triangle a right triangle, an acute triangle, or an obtuse triangle? --------------- Find the squares of the 3 sides, c^2 = 144, a^2 = 49 & b^2 = 36 ------ If c^2 = the sum of the other 2, it's a right triangle If c^2 < the sum, it's acute. If c^2 > the sum, it's obtuse.
 Square-cubic-other-roots/522709: how do i find the square root of 57 and graph it on a number line 1 solutions Answer 346965 by Alan3354(30993)   on 2011-10-28 09:54:31 (Show Source): You can put this solution on YOUR website!how do i find the square root of 57 and graph it on a number line ------------ sqrt(57) = ± 7.55 via a calculator
 Miscellaneous_Word_Problems/522690: Translate to an equation: d dimes and q quarters total \$2.00 Graph the equation and use the graph to determine three different combinations of dimes and quarters that total \$2.00. All that I have come up with is d+q=\$2.00. After that I am not sure what to do. 1 solutions Answer 346964 by Alan3354(30993)   on 2011-10-28 09:52:23 (Show Source): You can put this solution on YOUR website!Translate to an equation: d dimes and q quarters total \$2.00 Graph the equation and use the graph to determine three different combinations of dimes and quarters that total \$2.00. All that I have come up with is d+q=\$2.00. After that I am not sure what to do. -------------- d + q is the # of coins 10d + 25q = 200 Where d & q are integers -------- 2d + 5q = 40 5q = 40 - 2d q = 8 - (2/5)d For q to be an integer, d has t be a multiple of 5. d....q 0....8 5....6 10...4 15...2 20...0
 Travel_Word_Problems/522710: how long will it take me to get from chicago to L.A. while driving at 40 mph?1 solutions Answer 346963 by Alan3354(30993)   on 2011-10-28 09:46:10 (Show Source): You can put this solution on YOUR website!d = the distance in miles ------ d = r*t t = d/r = d/40
 Geometry_Word_Problems/522693: what is the length of a flag with width 10 miters ? 1 solutions Answer 346962 by Alan3354(30993)   on 2011-10-28 09:39:33 (Show Source): You can put this solution on YOUR website!Any length you want. In miters, or meters, or any units.
 Polygons/522511: The interior angle of a regular polygan is six times the exterior angle. Find the number of sides that it has. 1 solutions Answer 346893 by Alan3354(30993)   on 2011-10-27 21:05:37 (Show Source): You can put this solution on YOUR website!I + E = 180 6E + E = 180 E = 180/7 degrees ------------ s = 360/E = 360/(180/7) s = 14 sides
 Problems-with-consecutive-odd-even-integers/522456: The product of three consecutive even integers is 480.Find the integers I don't understand this question, what I don't understand is what a consecutive even integer is. Does it mean I need to multiply 480 or divide it by 3?1 solutions Answer 346870 by Alan3354(30993)   on 2011-10-27 20:31:00 (Show Source): You can put this solution on YOUR website!The product of three consecutive even integers is 480.Find the integers --------- Cube root of 480 = apx 8, the middle number --> 6*8*10 = 480
 Coordinate-system/522429: IF a line has a rise of 3 and a run of -5, what is the1 solutions Answer 346858 by Alan3354(30993)   on 2011-10-27 19:35:13 (Show Source): You can put this solution on YOUR website!The what?
 Age_Word_Problems/522423: Beth is four more than three times older than Ted. The sum of their ages is 60. How old is Ted?1 solutions Answer 346853 by Alan3354(30993)   on 2011-10-27 19:28:32 (Show Source): You can put this solution on YOUR website!Beth is four more than three times older than Ted. The sum of their ages is 60. How old is Ted? ======================= 3 times older is 4 times as old. B = Beth's age, T = Ted's age B = 4T + 3 B + T = 60 (4T+3) + T = 60 5T + 3 = 60 T = 57/5 = 11.4 --------------------- The author of this problem thinks 3 times older is the same as 3 times as old. If that's true, what is 1 time older? The same age? If so, why is it called older? ----------- Don't even mention "100 times thinner." 1 times thinner is zero, so how can something be 100 times thinner, or 10 times closer. English, learn it. It's a bad problem, no integer solution.
 Linear_Equations_And_Systems_Word_Problems/522416: (1,-4,3) is the solution to the system: x+y+z=0 x-y+5z=20 5x+y+z=4 true or false 1 solutions Answer 346851 by Alan3354(30993)   on 2011-10-27 19:24:08 (Show Source): You can put this solution on YOUR website!(1,-4,3) is the solution to the system: x+y+z=0 x-y+5z=20 5x+y+z=4 true or false ----------- Sub 1 for x, -4 for y and 3 for z and find out.
 Triangles/522418: The measures of the angles of a triangle are x, 2x, and 3x. What is the measure of the largest angle?1 solutions Answer 346848 by Alan3354(30993)   on 2011-10-27 19:23:01 (Show Source): You can put this solution on YOUR website!the sum of the angles is 180 degs ------ x + 2x + 3x = 180
 Travel_Word_Problems/522421: Please help I am stuck question is : A motorcycle travels 196 miles in the same amount of time that a car travels 161 miles. The rate of the motorcycle is 10 miles per hour faster than the rate of the car. Find the rate of the car. I know to use r=d/t for the motorcycle it would be r+10=196/t for the car r=161/t but I'm confused how to put them together to make the equation. I'm thankful for any help.1 solutions Answer 346847 by Alan3354(30993)   on 2011-10-27 19:22:03 (Show Source): You can put this solution on YOUR website!A motorcycle travels 196 miles in the same amount of time that a car travels 161 miles. The rate of the motorcycle is 10 miles per hour faster than the rate of the car. Find the rate of the car. ----------------------- t = 196/r = 161/(r-10) Can you finish it?
 Geometry_proofs/522389: I have a given of the angle of 6 is congruent to the angle of 7, however I am trying to prove that the angle of 5 is congruent to the angle of 81 solutions Answer 346815 by Alan3354(30993)   on 2011-10-27 18:31:46 (Show Source): You can put this solution on YOUR website!Nowhere near sufficient info. You probably have a sketch that you didn't share.
 Volume/522391: What is the width of the triangular prism if the volume is 120 mm3? 1 solutions Answer 346813 by Alan3354(30993)   on 2011-10-27 18:30:50 (Show Source): You can put this solution on YOUR website!No way to know, more info is needed. There are an infinite number of possibilities.
 Travel_Word_Problems/522336: If katrina hikes 5 miles north, 7 miles east, and then 3 miles north again. To the nearest tenth of a mile, how far, in a straight line, is katrina from her starting point?1 solutions Answer 346811 by Alan3354(30993)   on 2011-10-27 18:29:48 (Show Source): You can put this solution on YOUR website!If katrina hikes 5 miles north, 7 miles east, and then 3 miles north again. To the nearest tenth of a mile, how far, in a straight line, is katrina from her starting point? --------------- The order doesn't matter. She's 8 mi north and 7 miles east. That makes a right triangle with sides of 8 & 7 miles. ---------- Can you find the hypotenuse?
 Travel_Word_Problems/522378: If it takes 50 minutes to cut 2/3 of the lawn, how long will it take to mow the entire lawn?1 solutions Answer 346809 by Alan3354(30993)   on 2011-10-27 18:27:35 (Show Source): You can put this solution on YOUR website!If it takes 50 minutes to cut 2/3 of the lawn, how long will it take to mow the entire lawn? ----------- 2/3 in 50 mins --> 1/3 in 25 minutes Can you finish it?
 Rectangles/522383: How can I make a net for a rectangular prism 8x6x12, I can't figure it out1 solutions Answer 346807 by Alan3354(30993)   on 2011-10-27 18:26:08 (Show Source): You can put this solution on YOUR website!What do you mean? To catch it when you throw it? Just buy one.