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chocolate
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$0.50 Pleae help with solving algebric inequalities,Show the algebraic equations that you use to solve the problems and includ

  • From Mathematics: Algebra
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  • Due on Jan. 23, 2009
  • Asked on Jan 23, 2009 at 7:00:47PM
Q:
On six exams, Alex has scored 82, 86, 75, 91, 92, and 87 points out of 100. He wants to earn at least a B in the course, which corresponds to an overall average grade of 82 or better. Out of 100 points, what is the minimum number of points Alex must earn on the final exam to achieve this goal?
 


   
   
   
   
 
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Posted by:
retrac
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$0.50 Solution

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  • Posted on Jan 23, 2009 at 7:04:49PM
A:
Preview: ... 7 = 82<br>(513 + x) / 7 = 82<br> ...

The full tutorial is about 43 words long .
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sudipta
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$1.00 Complete answer

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  • Posted on Jan 23, 2009 at 7:04:50PM
A:
Preview: ... + x<br>= x + 513<br>Average = (x + 513)/7<br><br>Now, (x + 513 ...

The full tutorial is about 63 words long .
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geniusy_2006
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$0.30 Here is the explanation

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  • Posted on Jan 23, 2009 at 7:07:53PM
A:
Preview: ... be scored = 7*82 = 574<br><br>he has a ...

The full tutorial is about 35 words long .
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prospectiveman
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$1.00 correct answer

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  • Posted on Jan 23, 2009 at 7:07:56PM
A:
Preview: ... to an overall average grade of 82 or better. Out of 100 points, what ...

The full tutorial is about 63 words long .
   
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