document.write( "Question 177818: if the area of a rectangle with width x can be represented with the expression A(x)=x(14-x). what is the perimeter of the rectangle?\r
\n" ); document.write( "\n" ); document.write( "A.) 28
\n" ); document.write( "B.)56
\n" ); document.write( "C.) 56-4x
\n" ); document.write( "D.) 4x+28
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Algebra.Com's Answer #132800 by Mathtut(3670)\"\" \"About 
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A=L*W (x)(14-x)
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\n" ); document.write( "P=2L+2W
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\n" ); document.write( "P=2x+2(14-x)=2x+28-2x=28
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\n" ); document.write( "answer is A
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