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October 20, 2014

October 20, 2014

Posted by **Scott** on Monday, December 6, 2010 at 3:24pm.

- Algebra -
**Reiny**, Monday, December 6, 2010 at 4:58pmsquare --- x by x

rectangle -- x by x+4

x^2 + x(x+4) = 48

2x^2 + 4x - 48 = 0

x^2 + 2x - 24 = 0

(x+6)(x-4) = 0

x = -6 or x = 4, but a side cannot be negative

so the square is 4 by 4

- Algebra -
**Anonymous**, Monday, November 14, 2011 at 11:25pmeach unit square of the rectangle below represents 1 square inch name the rectangle that show perimeter and name the permeter

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