Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 305973: twelve increased by a number x and 8 is equal to the number y squared
Click here to see answer by JBarnum(2044)

Question 306069: I need help factoring the equation 6x^2-5x-21
Click here to see answer by richwmiller(9143)

Question 306100: solve for "pie", C=2"pie"R
Click here to see answer by richwmiller(9143)

Question 306103: 3-spuareroot of 2 multplyed by 5+
Click here to see answer by richwmiller(9143)

Question 306132: (x-2)^(4/3)= -2
Click here to see answer by stanbon(57379)

Question 306077: how much pure acid should be mixed with 4 gallons of 60% acid soultion in order to get an 80% acid solution?
Click here to see answer by josmiceli(9697)

Question 306143: 4n-10=2n
Click here to see answer by themathtutor2009(81)

Question 306198: please help me solve (3x^3+2y-23)-(-5x^3-4y+17), what is it simplified?

Click here to see answer by themathtutor2009(81)

Question 306225: how do i solove log 7 5x^3yz^2
Click here to see answer by Alan3354(30993)

Question 306201: a force of 72 n acting upon a given object results in an acceleration of 8 m/s squared.
if the magnitude of the force acting upon the same object is changed to 63 n, what will the objects acceleration become?

would it be 7 m/s squared

Click here to see answer by dabanfield(803)

Question 306197: Please help:
Solve for (x)
(x-1) (x-3)=-4
Click here to see answer by Fombitz(13828)

Question 306197: Please help:
Solve for (x)
(x-1) (x-3)=-4
Click here to see answer by dabanfield(803)

Question 306294: Could you please help me?
Find an equation of the line having the given slope and containing the given point. m = 2/3, (8,-4)
The equation of the line y= ? I have tried and tried and still not sure what I am doing. Thanks for all your help!
Click here to see answer by Alan3354(30993)

Question 306295: Could you please help me out with this problem???
Find an equation of the line containing the given pair of points. (-2,-4) & (-5,-3) The equation of the line in slope intercept form is y =
Thanks for your time,
Click here to see answer by scott8148(6628)

Question 306424: Two ladders lean against opposite walls in a 10-foot wide alley. One ladder reaches 30 feet up the wall; the other reaches 20 feet up the wall. The foot of each ladder is at the base of the opposite wall. How high above the ground do the ladders cross?
Click here to see answer by Fombitz(13828)

Question 306436: 1/2x=9/10 solve for x
Click here to see answer by JBarnum(2044)

Question 306443: seven more than the quotient of a number and 2 is 10
Click here to see answer by richwmiller(9143)

Question 306438: 8x-(3x+6)=9
Click here to see answer by checkley77(12569)

Question 306422: if 9x-4(3x-2)=4, then x=
Click here to see answer by checkley77(12569)

Question 306485: Solve the equation and round to the nearest tenth if necessary, 400 = w^2
Would appreciate it
Click here to see answer by rfer(12666)

Question 306500: I'm trying to solve 14y - 4 =136
Click here to see answer by rfer(12666)

Question 306461: .5x + 6 < 1.3x-3
Click here to see answer by rfer(12666)

Question 306457: Solve
5/2x +1/4x =5/4+x
Click here to see answer by rfer(12666)

Question 306638: Please help me solve this. The product of two consecutive integers is equal to ten times the smaller integer minus eight. Find the integers.
Click here to see answer by mananth(12270)

Question 306789: Can someone please help me with this? I'd really be grateful.
5962x = $11,082.40 + $85.00x
Click here to see answer by Stitch(352)

Question 306792: I seem to be having a lot of trouble with this problem on my algebra lesson and was wondering if I could get some help? I need to solve for x.
x^3 + 2x^2 - 9x = 18
Any help that could be given would be much appreciated, thanks.
Bre
Click here to see answer by texttutoring(324)

Question 306775: 9x-6x=0
it just says to solve but I don't know what method to use
Click here to see answer by Fombitz(13828)

Question 306797: For such an easy looking problem I seem to be having a lot of trouble with it I need to factor 64 + a^3 completely.
Any help given would be much appreciated, thanks.
Click here to see answer by Fombitz(13828)

Question 306879: 5.034 = 5.128*(1-Tax Rate)
How do I solve for the tax rate??
Click here to see answer by texttutoring(324)

Question 306888: Old Mac Donald has 100 chickens and goats in the barnyard. Altogether, there are 286 feet. How many chickens and and how many goats are in the barnyard?
Click here to see answer by PadreFan(1)

Question 306891: Jose had 64 baseball cards. He gave 12 cards to his sister. Then he gave the remaining cards equally to his four friends. How many cards did each of his friends get?
Click here to see answer by ninjagirl65200(1)

Question 306892: a rectangular box has volume 280^3in. its dimensions are 4in. x(n+2)in. x(n+5)in. find n. use the formula v=lwh
Click here to see answer by ichudov(499)

Question 306913: A grocer at a specialty store is mixing coffee worth $6 per pound with coffee worth $8 per pound. He wants to obtain 144 pounds of coffee worth $7.50 per pound.How much of each coffee should he use?
Amount of coffee X=108
Amount of coffee Y=36
Click here to see answer by checkley77(12569)

Question 306930: Solve or a.
1/a-1/b=p
Click here to see answer by themathtutor2009(81)

Question 306898: please help me solve this problem:
2( X + 2) = X + 16
Click here to see answer by checkley77(12569)

Question 306898: please help me solve this problem:
2( X + 2) = X + 16
Click here to see answer by papas101280(2)

Question 306890: State Student Assessments
$+& = 10
&-$ = 2
Each $ has the same value
Each & has the same value
What is the value of &
Click here to see answer by checkley77(12569)

Question 307011: Eight less than the quotient of a number and 3 is 5

Click here to see answer by rapaljer(4667)

Question 307033: A salesperson earns a $200 per week in base pay plus one-twentieth of his/her dollar sales in volume. Find the salesperson's dollar sales volume if he/she earned $785 for the week (before taxes)
Click here to see answer by jim_thompson5910(28598)

Question 307058: (This is just to know how to write an equation)
According to the kellybluebook.com, the average value of a new car after one year is seven-tenths of its original price. Write an equation representing the price(P)in dollars of a one-year old car in terms of its original price(X).
Click here to see answer by nerdybill(6962)

Question 307107: Fifteen more than twice the hours Carla worked last week is the same as three times the hours she worked this week decreased by fifteen. She worked the same number of hours each week. How many hours did she work each week?
- i came up with the equation : 2c+15=3c-15, then i subtracted 2c from each side which is now 15=c-15. but now im stuck. please help
Click here to see answer by ankor@dixie-net.com(15660)

Question 307141: Credit Cards. The balance in Wills Mastercard account grew 2% to $870 in one month. What was his balance at the beginning of the month.
Click here to see answer by rfer(12666)

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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, 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