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# Recent problems solved by 'kekegeter '

 expressions/746234: solve the inequality -5/7> 1/4- v/21 solutions Answer 455264 by kekegeter (57)   on 2013-05-12 21:33:07 (Show Source): You can put this solution on YOUR website!-5/7>1/4-v/2 -5/7>-2v+1/2^2 -20>-7*2v+7 v>27/14 v Є [27/14,∞]
 Exponents/746204: Solve (6xy^3) (4x^2 y^4) 1 solutions Answer 455261 by kekegeter (57)   on 2013-05-12 21:10:24 (Show Source): You can put this solution on YOUR website!6xy^3*4x^2y^4 24x^1=2 y^3=4 24x^3y^7
 Distributive-associative-commutative-properties/746276: Use the distributive property to remove the parentheses for problem: -8 (-4y + w -6)1 solutions Answer 455259 by kekegeter (57)   on 2013-05-12 20:38:48 (Show Source): You can put this solution on YOUR website!1) -(-4y+w-6) 2) -(-8.4y+8w-8.6) 3) -(-32y+8w-48)
 Equations/745452: 72y2 - 50x21 solutions Answer 454902 by kekegeter (57)   on 2013-05-10 21:01:55 (Show Source): You can put this solution on YOUR website!72*2y-50*2x = 144y - 100x
 Equations/747404: What is the step by step process to factor this equation using substitution? (y-2)^2+5(y-2)-361 solutions Answer 454901 by kekegeter (57)   on 2013-05-10 20:51:11 (Show Source): You can put this solution on YOUR website!1) (y^2+2y(-2)+(-2)^2)+(5y-5*2)-36 2) (y^2-2y*2+2^2)+5y-10)-36 3)(y^2-4y+4)+(5y-10)-36 4) y^2-4y+4+5y-10-36 5) y^2+y-42
 Inverses/716850: How do I show my son how to solve this math problem: 4/5 times ___ = 2/5 1 solutions Answer 454898 by kekegeter (57)   on 2013-05-10 20:36:16 (Show Source): You can put this solution on YOUR website!1) 4/5 X = 2/5 2) 2^2*x/5 = 2/5 3) 2^2*x/2^2 = 2/2^2 4) x=1/2^2-1 5) x=1/2
 Inverses/740574: x^2+x/x MULTIPLIED BY 3/x+2 I got 3(x+1)/x+2. Could you please show me your working for this problem as I am trying to write notes for our exams on this and we need correct working to score the points :) sorry about writing "Multiplied by" in the middle i cant find that button on my key board :)1 solutions Answer 454897 by kekegeter (57)   on 2013-05-10 20:20:47 (Show Source): You can put this solution on YOUR website!Just look for the Asterisk symbol on your keyboard. x^2+x/x*3/x+2 1) x^2+3/x+2 2) x(x^2)+3+x*2/x 3) xx^1+2+3+2x/x 4) x^3+2x+3/x I hope that this helps
 Exponents-negative-and-fractional/716654: (a^3/m)^-41 solutions Answer 454695 by kekegeter (57)   on 2013-05-09 22:19:14 (Show Source): You can put this solution on YOUR website!(a^3/m)^-4 a^12/1/m^4 m^4/a^12
 Exponents-negative-and-fractional/722547: (5y^4)^-3(2y^-2)31 solutions Answer 454694 by kekegeter (57)   on 2013-05-09 22:14:33 (Show Source): You can put this solution on YOUR website!(5y^4)^-3(2y^-2)3 5^-3(y^4)^-3(2y^2)3 5^-3*y^12(2y^2)3 1/5^3*y^12(2y^2)3 6y^2/5^3*y^12 6/125y^10
 Exponents-negative-and-fractional/738140: 1.) 3x+12=15/x 2.) 3/x-3=5/x^2-9-2/x+31 solutions Answer 454693 by kekegeter (57)   on 2013-05-09 22:02:32 (Show Source): You can put this solution on YOUR website!1) 3x+12=15/x x є {1, -5} 2) 3/x-3=5/x^2-9-2/x+3 x є {√85-5/6, √85+5/6}
 Exponents-negative-and-fractional/745593: 2/3-4/5-(-11/15)+7/10-5/21 solutions Answer 454688 by kekegeter (57)   on 2013-05-09 21:42:02 (Show Source): You can put this solution on YOUR website!-36/3*5*2 -6/5 or -1.2
 Exponents-negative-and-fractional/745595: -9.6+7.4-(-3.9)-(-11)1 solutions Answer 454684 by kekegeter (57)   on 2013-05-09 21:37:21 (Show Source): You can put this solution on YOUR website!-9.6 + 7.4 + 3.9 + 11 = 127/10 or 12.7
 Equations/745503: 7/12y-1/4=2y-5/31 solutions Answer 454682 by kekegeter (57)   on 2013-05-09 21:30:02 (Show Source): You can put this solution on YOUR website!7/12y-1/4=2y-5/3 y € {1, -7/24}
 Equations/745156: Solve the following system of equations: 9x+5y=-4 -8x+3y=71 solutions Answer 454681 by kekegeter (57)   on 2013-05-09 21:20:54 (Show Source): You can put this solution on YOUR website!9x+5y=-4 9x=-5y-4 x=-5y+4/9 8x+3y=7 -8x-3y+7 x=- -3y+7/8
 Equations/746190: 4x-6=18 por favor necesito esta respuesta 1 solutions Answer 454680 by kekegeter (57)   on 2013-05-09 20:56:05 (Show Source): You can put this solution on YOUR website!4x-6=18 4x=24 x=6
 Equations/745567: 4n -3 (n-8)=3 - 2n1 solutions Answer 454678 by kekegeter (57)   on 2013-05-09 20:53:20 (Show Source): You can put this solution on YOUR website!4n-3(n-8)=3-2n 4n-(3n-24)=-2n+3 3n=-21 n=-7
 Equations/745252: -3p + 4 < 221 solutions Answer 454677 by kekegeter (57)   on 2013-05-09 20:47:51 (Show Source): You can put this solution on YOUR website!-3p+4<22 -3p<18 p>-6 P€(-6,∞)
 Equations/745212: solve the following equations 4x – 3 = 25 2x – 7 = x + 81 solutions Answer 454533 by kekegeter (57)   on 2013-05-09 12:35:48 (Show Source): You can put this solution on YOUR website!4x-3=25 4x=28 x=7 2x-7=x+8 (2x-7)+(7-x)=(x+8)+(7-x) x=15
 Equations/746641: 4n⁴ ∙ 2n-3 4n^2*2n-3 8n^2+1-3 8n^3-31 solutions Answer 454529 by kekegeter (57)   on 2013-05-09 12:19:57 (Show Source): You can put this solution on YOUR website!4n^2*2n-3 8n^2+1-3 8n^3-3
 absolute-value/650651: 1)|x-6|=2 2)|4n|=20 3)|x/2|=2 4)|-3-7n|=60 5)|4m-3|=33 1 solutions Answer 407365 by kekegeter (57)   on 2012-09-13 00:01:57 (Show Source): You can put this solution on YOUR website!1)|x-6|=2 x=8 -x+6=2 x=8 -x=-4 x=8 x=4 The answer: 8,4 2)|4n|=20 n=5 -4n=20 n=5 n=-5 The answer: 5,-5 3)|x/2|=2 x=4 x=-4 The answer: 4,-4 4)|-3-7n|=60 -7n=63 7n+3=60 n=-9 7n=57 n=-9 The answer: -9, -15/2 5)|4m-3|=33 4m=36 -4m+3=33 m=9 -4m=30 m=9 m=-15/2 The answer: 9, -15/2
 Equations/650670: i need help on how to do these 1) x^2+1=3 2) x+4+5+1 3) 6x=12 please help1 solutions Answer 407362 by kekegeter (57)   on 2012-09-12 23:42:47 (Show Source): You can put this solution on YOUR website!1) x^2+1=3 x^2=2 x= 2 1/2 x= -2 1/2 The answer is: 2 1/2, -2 1/2 2) x+4+5+1 The answer is: x+10 3) 6x=12 6x/6=12/6 x=2^2*3/ 2*3 x=2^2-1 The answer is: x=2
 Polynomials-and-rational-expressions/650653: (2a^2+6) (a^3-a^2) ------ times ------- (a^2-a) (8a-4) These are fractions multipling together as a rational expressions1 solutions Answer 407360 by kekegeter (57)   on 2012-09-12 23:30:38 (Show Source): You can put this solution on YOUR website!2a^2+2*3/a(a-1) * a^2(a-1)/2^3*a-2^2 2(a^2+3)/a(a-1) * a^2(a-1)/4(2a-1) 2(a^2+3) a^2(a-1)/2^2* a(a-1)(2a-1) (a^2+3)a/2(2a-1) Have a nice day!!
 Equations/643546: -8+[9+(-2)]1 solutions Answer 405692 by kekegeter (57)   on 2012-09-05 00:46:56 (Show Source): You can put this solution on YOUR website!-8+7= -1
 Equations/644260: 6-1*0+2/2=1 solutions Answer 405691 by kekegeter (57)   on 2012-09-05 00:43:54 (Show Source): You can put this solution on YOUR website!6+1 =7
 Equations/645545: Solve the system 2x-4y-2z=12 x-y+z=7 -5x+5y-3z=-331 solutions Answer 405690 by kekegeter (57)   on 2012-09-05 00:41:24 (Show Source): You can put this solution on YOUR website! 2x-4y-2z=12 2x=4y+2z+12 x=2y+2+6 ___________ -5x+5y-3z=-33 -5x=-5y+3z-33 x=- -5y+3z-33/5 _______________ x-y+z=7 x=y-2+7
 Equations/644461: Please help me find the solutions to x^2+2x-12=-12. Help find the two x.1 solutions Answer 405687 by kekegeter (57)   on 2012-09-05 00:30:59 (Show Source): You can put this solution on YOUR website!x(x+2)=0 x=0 x+2=0 x=-2 0,-2
 Equations/645686: -(x-3)=-4x1 solutions Answer 405686 by kekegeter (57)   on 2012-09-05 00:22:03 (Show Source): You can put this solution on YOUR website!3=-3x 3x/3=-3/3 x= -1
 Equations/645856: (-90)/(x^2)-(1)/(x)1 solutions Answer 405685 by kekegeter (57)   on 2012-09-05 00:19:08 (Show Source): You can put this solution on YOUR website!-90/x^2 - 1/x (-2*3^2*5)+x(-1)/x^2 (-2*9*5)-x/x^2 (-90)-x/x^2 -x+90/x^2
 Equations/645872: x/2-4=-51 solutions Answer 405684 by kekegeter (57)   on 2012-09-05 00:10:55 (Show Source): You can put this solution on YOUR website!x-2*4/4=-5 x-8/2=-5 x-8=-10 x=-2
 Equations/645967: (−5x/8)-(1/3)=(7/3) 1 solutions Answer 405683 by kekegeter (57)   on 2012-09-05 00:07:14 (Show Source): You can put this solution on YOUR website!-5x/2^3*1/3=7/3 -5x/2^3*3=7/3 -5x=56 5x/5=-56/5 x=-56/5
 Numbers_Word_Problems/645995: How to solve this kind of problem (+7)+(+5)+(-4)+(+9)1 solutions Answer 405682 by kekegeter (57)   on 2012-09-04 23:57:51 (Show Source): You can put this solution on YOUR website!7+5-4+9 =17