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mommaof3
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$15.00 I need a bit of help in Math 117.

  • From Mathematics: Algebra
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  • Due on Feb. 23, 2009
  • Asked on Feb 20, 2009 at 9:05:49PM
Q:
Please help me with a few problems from Math 117.
Find all numbers for which the rational expression is undefined
-18/17v

Mulitply and simplify
5z^3/7t^2 times 49t^8/25z
v^2-6v-7/v^2-2v+1 times v-1/v-7

Divide and simplify
y^2-4/y divided by y-2/y+7

Find the LCM of
z^2-81 and z^2+13z+36
14x^2+28x and 2x^2 +6x+4

Add and simplify if possible
x^2+7x/x^2-6x plus x^2-2x/x^2-6x
5/49z^3 plus 1/35z^2

Add
7/s-3 plus 7/s-3

subtract and simplify if possible
y-5/y - 4y-11/11y
7/11y^2-11y - 2/11y-11
11cb/c^2-b^2 - c-b/c+b
5-v/v-9 - 8v-7/9-v

simplify
v-5/v-9 - v+1/v+9 + v-81/v^2-81
 


   
   
   
   
 
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Posted by:
sudipta
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$15.00 Just the correct answers

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  • Posted on Feb 20, 2009 at 9:22:40PM
A:
Preview: ... 2 +6x+4<br><br>LCM = 2x(x + 1)(x + 2)<br>Add and simplify if possible<br>x^2+7x/x^2-6x plus x^2-2x/x^2-6x<br>5/49z^3 plus 1/35z^2<br><br>Add<br>7/s-3 plus 7/s-3<br><br>subtract and simplify if ...

The full tutorial is about 108 words long .
Posted by:
geniusy_2006
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$15.00 here are the explanations for A+

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  • Posted on Feb 20, 2009 at 9:24:27PM
A:
Preview: ... Please f ...

The full tutorial is about 5 words long plus attachments.

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Posted by:
prospectiveman
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$5.00 correct answers for you

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  • Posted on Feb 20, 2009 at 9:35:23PM
A:
Preview: ... ect answe ...

The full tutorial is about 7 words long plus attachments.

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Please help me with a few problems from Math 117.doc (91K) (Preview)
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bibhupada
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$10.00 A + answer (detailed steps shown)

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  • Posted on Feb 20, 2009 at 9:50:40PM
A:
Preview: ... r)<br><br> 10) [(y-5)/y] - [(4y -11)/11y]<br><br> = (11y -55 -4y +11)/11y<br><br> = (7y -44)/11y<br><br>11) 7/ (11y^2 -11y) - 2/(11y -11)<br><br> = [1/11(y-1)][7/y -2]<br><br> = 1/11(y-1) (7-2y)/y<br><br> =(7-2y)/11y(y-1)<br><br>12) 11bc/ (c^2 -b^2) - (c-b)/(c+b)<br><br> =[11bc - (c-b)^2]/(c^2 -b^2)<br><br> =(-b^2 -c^2 +13bc)/(c^2 -b^2)<br><br> 13 ...

The full tutorial is about 242 words long .
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Bambi
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$10.00 MAT117

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  • Posted on Feb 20, 2009 at 10:58:21PM
A:
Preview: ... last 5 of your problems ...

The full tutorial is about 26 words long plus attachments.

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