Questions on Algebra: Equations answered by real tutors!

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Question 188627: In a number of two digits, the sum of the digit is 6. if the digits change their places, hte new number so formed is three times the digits in the tens place of the original number.Find the number
Click here to see answer by Mathtut(3670)

Question 188630: Question: Zahra bought 25 daily news papers and 5 Friday issues in a month and paid rupees 80 for them. Next month she paid rupees 78 for 27 dailies and 3 Friday issues. Find the price of each daily newspaper & each Friday issue.
Click here to see answer by Mathtut(3670)

Question 188660: The formula for the area of a trapezoid is A=1/2(b1+b2)h. Solve the formula for b1. The numbers next to the b's are supposed to drop down. Like the opposite of an exponent.
Click here to see answer by jim_thompson5910(35256)

Question 188672: what is a logic of 'ab' can write 10a+b
Click here to see answer by Edwin McCravy(20054)

Question 188677: x^(2)+x+sqrt(x^(2)+x)-2=0
Click here to see answer by user_dude2008(1862)

Question 188691: The breadth of the room is one third of its length. If the parimeter of the room is 64 daimeter, find length and breath of the room.
Click here to see answer by nerdybill(7384)

Question 188688: If the length of the field is decreased by 3 meter and breadth is increased by 2 meter, then the area remains same. If the length and breadth is increased by 2 metre, then the area is increased by 50 square meter. Find the length and breadth of the field.
Click here to see answer by ankor@dixie-net.com(22740)

Question 188698: i am going to take the asvab and need a brush up on the basic rules of algebra seeing that i never took it. basically i need to need to know what the rules are for things like a^2 x b^2 + c = .
Click here to see answer by Alan3354(69443)

Question 188686: The sum of the ages of father and son is 45 years ago the product of the of their ages was 4 times the father age at that find their present age.
Click here to see answer by ankor@dixie-net.com(22740)

Question 188684: +

The number of people were to share eqqually the expenses Rs 900 for a bus trip to Hawks Bay. Due to certain expenses 5 of them were unable to make it and remaining people had to pay and extra of Rs 2.50 each . How many people were supposed to share the expenses originally.

Click here to see answer by ankor@dixie-net.com(22740)

Question 188633: Question: The cost of the telephone call for 8 minutes between two countries is Rs.315 and a 10 minutes call costs rupees 385. Find the cost of first 3 minutes and the rate of each additional minute call.
Click here to see answer by edjones(8007)

Question 188758: How do I complete the square if the sum look like this: 5x^2 - x - 2=0
Click here to see answer by Earlsdon(6294)

Question 188757: ``The sum of the ages of father and son is 45 years. 5 years ago the product of the of their ages was 4 times the father age at that time. Find their present ages
.''.
Click here to see answer by ankor@dixie-net.com(22740)

Question 188756: what is the answer to 4/3u-6=7/3u+8

Click here to see answer by Alan3354(69443)

Question 188772: How do you solve 2(a+8)=22
How do you solve 4(m-2)=4
How do you solve 2(5n-1)=18
How do you solve 2(9+4)=30
How do you solve 9(4c-1)=90

Click here to see answer by ilana(307)

Question 188859: 6x+12=3x+8
Click here to see answer by Alan3354(69443)

Question 188859: 6x+12=3x+8
Click here to see answer by feliz1965(151)

Question 188870: 2(9+4)=30
Click here to see answer by Alan3354(69443)

Question 188883: (Y-3.8)^(3/4)=18
Click here to see answer by stanbon(75887)

Question 188689: If the length of rectangle is 4 dm more than its breadth. If the area of the rectangle is 192 sq.dm, find the length and breadth of the rectangle.
Click here to see answer by jojo14344(1513)

Question 188760: A dealer sale an article for Rs 75 and gains as much percent as the cost price of the article. find the cost of article.
Click here to see answer by Mathtut(3670)

Question 188923: what is the solution of the linear soliution to 4x+12y=5x+8y?
Click here to see answer by Mathtut(3670)

Question 188901: Steps to factor : x^4 + x^2y^2 + y^4
Click here to see answer by checkley75(3666)

Question 188901: Steps to factor : x^4 + x^2y^2 + y^4
Click here to see answer by Alan3354(69443)

Question 188897: Fractional Equation Word Problems:
One member of a gardening team can mow and clean up a lawn in 6 hrs. With both members of the team working, the job can be done in 4 hrs. How long would it take the second member of the team, working alone, to do the job?

I would greatly appreciate some direction on how to solve these kind of problems.
Thank You In Advance!

Click here to see answer by jonvaliente(64)

Question 189018: dear teacher i'm trying o elp my daughter with her algebra lessons,could you pls show me how to find this?
10x + 9 = 5x +29
10x -13 = 7x +2
Thank you for yr help.Sincerely yrs
Click here to see answer by jojo14344(1513)

Question 189061: 6y = 9 x 23
Click here to see answer by percy92(2)

Question 189176: "Six times the sum of a number and -15 is 76 more than four times the number. Find the number."
I'm not sure how to solve this, I think the equation for it might be (-15+x)6=(x)4+76. But I'm not sure and even if it is I'm still confused on how to solve it. Any help would be greatly appreciated.
Thank you
Click here to see answer by stanbon(75887)

Question 189192: I need help with this problem: The sum of six times Jack's age and five times Larry's age is 63. Jack is one year less than three times as old as Larry. Find their ages. Could you also provide me with the equations?
Please help! Thanks!!
Click here to see answer by jonvaliente(64)

Question 189191: I need help with this problem: The sum of two numbers is 15 less than twice the first number. Their difference is 5 less than twice the second number. Find the numbers.
Please help! Thanks!!
Click here to see answer by jonvaliente(64)

Question 189220: Hello!
Simplify each expression. Do not leave negative exponents in your answers.
(27a^3b^3)^2/3
thanks!
Click here to see answer by Mathtut(3670)

Question 189219: Hello!
Simplify each radical expression. You may assume that all variables represent positive quantities
square root(b^10/64a^8)
thanks!
Click here to see answer by Mathtut(3670)

Question 189223: 16x-12-x-8x=-7x+8
Please help me with this.
Thank you
Click here to see answer by Mathtut(3670)

Question 189216: Hello!
Reduce each rational expression completely:
3ax + 6ay/bx + 2by
thanks!
Click here to see answer by Mathtut(3670)

Question 189221: Hello!
Perform the indicated operations and simplify. Rationalize denominators as needed.
squareroot(y^5) - squareroot(9y^5) - squareroot(25y^5)
thanks!
Click here to see answer by jim_thompson5910(35256)

Question 189270: 7-(-2)=
Click here to see answer by tvandenberg(45)

Question 189281: I need help on solving this equation?
(2x)/(x+3)+5=(3)/(x+3)

Click here to see answer by Mathtut(3670)

Question 189275: what is the simplest form for 4 1/5 x10/21 x9/20

Click here to see answer by Mathtut(3670)

Question 189368: x^2-18=0
Please help solve this.
Click here to see answer by Mathtut(3670)

Question 189374: http://i42.tinypic.com/294h0m0.jpg <-------Equations picture is in there
please show work would appreciate it thanks
Click here to see answer by Alan3354(69443)

Question 189394: Hello. I'm practicing for an exam and I need some help with the following problem.
Solve the equation:
2 + squareroot(2-x) = x
thanks!
Click here to see answer by Alan3354(69443)

Question 189380: 1. m/12= 86
2.1/2m =6
3. 4z =16
4. 4-2/9 = 20/27
I dont under stand, I have alot however I need help to understand how.

Click here to see answer by stanbon(75887)

Question 189393: Hello. I'm practicing for an exam and I need some help with the following problem.
Solve the equation:
x-3/x-2 - 1/x = x-3/x
thanks!
Click here to see answer by greta_elisif(10)

Question 189446: Hello. I'm practicing for an exam and I need some help with the following problem.
Perform the indicated operations and simplify:
2/(x-2) + 3/(x+2) - (x+6)/(x^2-4)
thanks!
Click here to see answer by Earlsdon(6294)

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, 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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, 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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, 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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, 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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