Questions on Algebra: Equations answered by real tutors!

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Question 1057937: x squared minus 4x + 3=0 x= and x=
Click here to see answer by josmiceli(19441)

Question 1057937: x squared minus 4x + 3=0 x= and x=
Click here to see answer by MathTherapy(10551)

Question 1057718: x=4x^3-4x
Click here to see answer by ankor@dixie-net.com(22740)

Question 1057776: what is one fourth of the fifth power of h as an expression in exponential form.
Click here to see answer by ikleyn(52776)

Question 1058081: Traci is running a trail in Henna Park. She can run one mile in 10 minutes. Yoni is running the same trail as Traci. Yoni can run a mile in 5 minutes but starts running 20 minutes after Traci started on the trail. If they start the trail from the same point, how long will it take for Yoni to catch Traci?
Click here to see answer by addingup(3677)

Question 1058121: the length of a rectangle is 2 centimeters more than its width. what are the dimensions of the rectangle if its area is 143 square centimeters. (solve algebraically)
state the strategy - to find...
complete : what will you do ?
assign the variables -
width: , length:
the length of the rectangle is ....cm
the width of the rectangle is ....cm
Click here to see answer by josgarithmetic(39616)

Question 1058122: the area of the floor of a rectangular room is 60 square meters. if the perimeter of the floor is 34 meters, what are the dimensions of the floor ( solve algebraically)
Click here to see answer by josgarithmetic(39616)

Question 1058130: Determine an equation for the quadratic function
1. the y-int is 2 and vertex (4,-2)
2 the x-int (3,7) and min value is -8
3 the vertex is (-2,4)
Click here to see answer by josgarithmetic(39616)

Question 1058071: If f(x)=ax^4 +bx^3 -x^2 +2x +3 has a remainder 11 when divided by x-2and has a remainder 2 when divided by ( x+1 ).Find the values of a and b.
Click here to see answer by josgarithmetic(39616)

Question 1058228: If a projectile is shot vertically into the air (from the ground) with an initial
velocity of 176 feet per second, its distance y (in feet) above the ground t
seconds after it is shot is given by y=176t+16t^2 (neglecting air resistance)
a. Find the time when y = 0 and interpret the results physically.
b. Find the times when the projectile is 16 feet off the ground. Compute answer
to two decimal places.
Click here to see answer by Boreal(15235)

Question 1058234: How to show that if X1 and X2 are the two roots of , then
and X1+X2=-b/a , where a is not equal 0 ?
Click here to see answer by josmiceli(19441)

Question 1058234: How to show that if X1 and X2 are the two roots of , then
and X1+X2=-b/a , where a is not equal 0 ?
Click here to see answer by Boreal(15235)

Question 1058274: 9d/3d=
Click here to see answer by solve_for_x(190)

Question 1058283: 5(9+p)=125 p=

Click here to see answer by addingup(3677)

Question 1058303: An open box is formed from a rectangular piece of cardboard whose length is 8 cm more than its width by cutting squares whose sides are 2 cm in length from each corner and then folding up the sides. Find the dimensions of the box if its volume is 690 cm^3.
Click here to see answer by josgarithmetic(39616)

Question 1058305: It takes a small sprinkler 15 min longer to soak a lawn than it takes a large sprinkler. Working together, the sprinklers can soak the lawn in 4 min. How long would it take each sprinkler, working alone, to soak the lawn?
Click here to see answer by josgarithmetic(39616)

Question 1058304: A cyclist traveled 60 mi at a constant rate before reducing the speed by 12 mph. Another 40 mi was traveled at the reduced speed. The total time for the 100-mile trip was 8 h. Find the rate during the first 60 mi.
Click here to see answer by ikleyn(52776)

Question 1058302: A dog trainer has 92 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 504 ft^2, what will be the dimensions of the work area?
Click here to see answer by ikleyn(52776)

Question 1058312: Solve. (Enter your answers as a comma-separated list.)
t^4-13t^2+42=0
Click here to see answer by ikleyn(52776)

Question 1058311: Solve. (Enter your answers as a comma-separated list.)
y^4-10y^2+9=0
Click here to see answer by ikleyn(52776)

Question 1058314: Solve. (Enter your answers as a comma-separated list.)
2v+63/(v+4)+3v=16
Click here to see answer by josgarithmetic(39616)

Question 1058314: Solve. (Enter your answers as a comma-separated list.)
2v+63/(v+4)+3v=16
Click here to see answer by MathTherapy(10551)

Question 1058313: Solve. (Enter your answers as a comma-separated list.)
9w/(8w+9)+8/(w+8)=1
Click here to see answer by josgarithmetic(39616)

Question 1058316: A small heating unit takes 56 h longer to melt a piece of iron than does a larger unit. Working together, the heating units can melt the iron in 21 h. How long would it take each heating unit, working alone, to melt the iron?
Click here to see answer by josmiceli(19441)

Question 1058325: 3(2x-1)+4(x+2)

Click here to see answer by math_helper(2461)

Question 1058306: Parallel processing is the simultaneous use of more than one computer to run a program. Suppose one computer, working alone, takes 16 h longer than a second computer to run a program that determines whether a number is prime. After the computers work together for 1 h, the faster computer crashes. The slower computer continues for another 14 h before completing the program. How long would it take the faster computer, working alone, to complete the program?
Click here to see answer by KMST(5328)

Question 1058368: 3/8x - 5 equals -3/4

Click here to see answer by Fombitz(32388)

Question 1058374: how do you solve this; 4 / (8 x 2) = (4 / 8) x 2
Click here to see answer by Boreal(15235)

Question 1058377: ELIMINATE t FROM THE EQUATION x=3+t^3,y=2+1/t

Click here to see answer by Alan3354(69443)

Question 1058394: Show that the sum of three consecutive integers is always equal to 3 times the middle integer

Click here to see answer by Edwin McCravy(20054)

Question 1058538: 2x+6 = 3
----- ---
2x+8 4
8x = 3
--- -- then i flip these to and got
10x 4
8 divided by 4 = 2
10 divided by 2 = 5
answer I got was 2 over 5

Click here to see answer by josgarithmetic(39616)

Question 1058538: 2x+6 = 3
----- ---
2x+8 4
8x = 3
--- -- then i flip these to and got
10x 4
8 divided by 4 = 2
10 divided by 2 = 5
answer I got was 2 over 5

Click here to see answer by MathTherapy(10551)

Question 1058577: 3a-4:a

Click here to see answer by Alan3354(69443)

Question 1058599: One part of 10.000 investment at rate 7.5%/year. The other part at rate 8.5% per year. Income from the two investments = 820. How much is the investment amount for each rate?
Click here to see answer by Boreal(15235)

Question 1058602: A chemist has a 20% and a 40% acid solutions. What amount of each solution should be used in order to make 300ml of a 28% acid solution?
Click here to see answer by josgarithmetic(39616)

Question 1058619: find the point whose distance from (7,-3) is square root of 58 and whose abscissa equals its ordinate. Please show your solution.
Click here to see answer by solve_for_x(190)

Question 1058660: x + 2 / (x + 1) * (x + 2) = x - 2 / (x + 1) * (x - 2)
Click here to see answer by Boreal(15235)

Question 1058717: A rectangular piece of land has been claimed using a 160 yard cord. If the length of this rectangular lot is 20 yards more than twice it's width, then what are the dimensions of the lot
Click here to see answer by ikleyn(52776)

Question 1058728: (2x-2/x+5)-4=0
Click here to see answer by josgarithmetic(39616)

Question 1058754: Let xy = 20. Find dy/dt given that x = 10 and dx/dt = −2
Click here to see answer by Alan3354(69443)

Question 1058753: Assume that x and y are differentiable functions of t and
y^2 = 2xy + 24. Find dx/dt given that x = 1, y = 6, and dy/dt = 2
Click here to see answer by Alan3354(69443)

Question 1058749: graph the algebraic equation for time equals �t� at the 75th hour using a rectangular coordinate plane.
Click here to see answer by Alan3354(69443)

Question 1058845: Given the population of rabbit in human habitat (rabbit farm) grows at a rate proportional to the number of rabbit at time (year). It is observed that 200 and 800 rabbits are presented at 3rd year and 6th year respectively. What was the initial number of the rabbit, ? How long does it take the population to double to ?
Click here to see answer by josgarithmetic(39616)

Question 1058865: Hello!
Im new here i apologize in advance if im not supposed to send links,i just thought it would be esasier.
If you can't click on them then just copy and paste them on google and it should show.
I have to find the quotient of these fractions in the simplest form.
http://i.imgur.com/xCkSX8D.jpg
I would also like to ask if i could send more problems since i need much help,if not then it's okay.
Thank you!!!

Click here to see answer by Alan3354(69443)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580