Bellator124 Bellator124

25-07-2016
Mathematics

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Find the perimeter of a rectangle with a length of (attachment 1) and a width of(attachment 2) .

Find the perimeter of a rectangle with a length of attachment 1 and a width ofattachment 2 class=

Find the perimeter of a rectangle with a length of attachment 1 and a width ofattachment 2 class=

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dalendrk dalendrk

26-07-2016

[tex]P_{\fbox{ }}=2w+2l\\\\w=x^2+2x+7;\ l=-2x+8\\\\P_{\fbox{ }}=2(x^2+2x+7)+2(-2x+8)=2x^2+4x+14-4x+16\\\\\boxed{P_{\fbox{ }}=2x^2+30}[/tex]

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