# Questions on Algebra: Equations answered by real tutors!

Algebra ->  Algebra  -> Equations -> Questions on Algebra: Equations answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 204676: what is the sum of the solution x squared - 12=4 Click here to see answer by Earlsdon(6294)

 Question 204772: A piece of wire 30com long is cut into two pieces. One of these is bent into a circle and the other is bent into a square enclosing the circle. What is the diameter of the circle? Click here to see answer by ankor@dixie-net.com(15747)
 Question 204772: A piece of wire 30com long is cut into two pieces. One of these is bent into a circle and the other is bent into a square enclosing the circle. What is the diameter of the circle? Click here to see answer by jsmallt9(3296)

 Question 204816: Sophie sets off on awalk at 6km/h. Ten minutes later, her brother Dave sets off after her on his bicycle at 15km/h. How far must Dave go to catch up with Sophie? Click here to see answer by edjones(7569)

 Question 204852: Hello I need to add these two fractions together. However, the variable is confusing me. -1/6x + 1/4 Click here to see answer by stanbon(57984)

 Question 204902: Hi all, Im still having trouble with these vector problems, I cant solve the problems listed below for the following: Let ~u = 3~i - ~j - 2~k and ~v = 2~i + ~j + ~k.(Again, the ~ symbols mean that there is and arrow symbol above the value in the positive direction) I need to: a) Calculate the cosine of the angle between ~u and ~v. b) Fin the cross product of ~u and ~v. Some help with steps and explanations on how to solve would be great. Thanks, -Nick Click here to see answer by alicealc(281)

 Question 204912: Please can someone help me solve this problem: Write the standard equation of the circle passing through (2,5) with the center at (-2,-3). Click here to see answer by nerdybill(7011)

 Question 204911: Please help me find the solution to this problem: Find the equation of a straight line through (-3,2) that is perpendicular to X+3y=6 with the equation in standard form. Click here to see answer by stanbon(57984)
 Question 204911: Please help me find the solution to this problem: Find the equation of a straight line through (-3,2) that is perpendicular to X+3y=6 with the equation in standard form. Click here to see answer by MathTherapy(1484)

 Question 204931: (x/3+5) is five times (x/5-4). Find the value of x. Click here to see answer by ankor@dixie-net.com(15747)

 Question 204935: (1-2x/5)is 3 less than three times (x/2-5). Find the value of x. Click here to see answer by Earlsdon(6294)

 Question 204997: factor completely: 3x^2(4x^2+1)^8 + 64x^4(4x^2+1)^7 I worked it out and I got: 268x^18 + 64x^ + 3x^2 but it doesn't sound right!!! Click here to see answer by stanbon(57984)

 Question 205021: I need an equations for this problem. I have tried but can not do it. Gwen sold her car on consignment for x dollars. The saleswoman’s commission was 10% of the selling price and Gwen received \$6570. Thanks, Click here to see answer by Earlsdon(6294)
 Question 205021: I need an equations for this problem. I have tried but can not do it. Gwen sold her car on consignment for x dollars. The saleswoman’s commission was 10% of the selling price and Gwen received \$6570. Thanks, Click here to see answer by MathTherapy(1484)

 Question 205014: solve for x and y in the equations: x + y =5; Click here to see answer by ankor@dixie-net.com(15747)

 Question 205051: IT IS ASKING TO SOLVE IN ELIMINATION METHOD. 5x+6Y=2 10x+12y=4 What is the solution of the system type an ordered pair, type an integer or a fraction N if there is no solution i if there are infinate solutions Click here to see answer by scott8148(6628)
 Question 205051: IT IS ASKING TO SOLVE IN ELIMINATION METHOD. 5x+6Y=2 10x+12y=4 What is the solution of the system type an ordered pair, type an integer or a fraction N if there is no solution i if there are infinate solutions Click here to see answer by stanbon(57984)

 Question 205087: 18x - 12y = 18 x = y - 12 what is x? What is y? Click here to see answer by checkley77(12569)

 Question 205204: Need help with this equation please. I am supposed to simplify this equation and rewrite with positive exponents. (-27x^9 )^(1/3) Thanks Click here to see answer by edjones(7569)

 Question 205206: I need help with this equation please: Supposed to solve the equation and check for extraneous solutions. 3√(w+1)=6 Thanks Click here to see answer by edjones(7569)

 Question 205205: I need help with this equation please--Supposed to solve the equation and check for extraneous solutions. √(a-1)-5=1 Click here to see answer by profemmanuel2q@yahoo.com(15)

 Question 205177: how do you solve 5/6x - 8/2x = x/4 Click here to see answer by edjones(7569)

 Question 205292: solve the system of equations 3x+4y+z=7 2y+z=3 -5+3y+8z=-31 i need you help, im desperate. Click here to see answer by alicealc(281)

 Question 205233: Please help me factor the following: 3x^3+192 2x^3-11x^2+12x+9 9x^2-3x-2 and 2x^5/4+x^3/4-15x^1/4 p.s. the 5/4, 3/4 and 1/4 in the above equation are exponents (2x raised to the 5/4) Thank you Click here to see answer by stanbon(57984)

 Question 205331: Hi all, I was hoping to get help with the following problems. I need to find ∆y / ∆x, given the following information: a) y = 1/x, x = 3, ∆x = 0.01; b) y = sqrt(x), x = 9, ∆x = 0.9 Any help would be great, Thanks, -nick. Click here to see answer by Alan3354(31538)

 Question 205419: The women in a club outnumber the men by 16. 7 times the number of women exceeds 9 times the number of men by 32. Find the number of men. Click here to see answer by ankor@dixie-net.com(15747)

 Question 205480: Ethan goes on a charity journey. He walks one-tenth of the way at 6km/h, runs one-sixth at 12 km/h, cycles one-fifth at 24km/h, completes the remaining 32km by car at 48km/h. How many kilometres does he travel and how long does it take? Click here to see answer by Edwin McCravy(8999)
 Question 205480: Ethan goes on a charity journey. He walks one-tenth of the way at 6km/h, runs one-sixth at 12 km/h, cycles one-fifth at 24km/h, completes the remaining 32km by car at 48km/h. How many kilometres does he travel and how long does it take? Click here to see answer by J2R2R(94)

 Question 205501: 4 is 25% of x. Solve for x. I would appreciate any help i can get on this! Thanks in advance! Click here to see answer by rapaljer(4667)

 Question 205510: The ratio of 2 to 5 is what %? Click here to see answer by stanbon(57984)

 Question 205527: okay i had a math problem in class today and this isn't from a textbook here it is Input----Output 1------ 4 2------ 8 3------ 24 4------ X Solve X, and the answer is not 4, 96, or 32. Please Help me ASAP!!!!! Click here to see answer by Targetweek(62)

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