document.write( "Question 933935: what are the possible dimensions of a rectangle with an area of 264 square inches and a perimeter of 68 inches
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Algebra.Com's Answer #567139 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! l * w = 264 where l is length, w is width \n" ); document.write( "2l + 2w = 68 \n" ); document.write( "l + w = 34 \n" ); document.write( "l = 34 - w \n" ); document.write( "substitute for l in the first equation \n" ); document.write( "(34-w) * w = 264 \n" ); document.write( "-w^2 +34w - 264 = 0 \n" ); document.write( "multiply both sides of = by - \n" ); document.write( "w^2 -34w +264 = 0 \n" ); document.write( "factor the quadratic \n" ); document.write( "(w-12)*(w-22) = 0 \n" ); document.write( "w can be 12 or 22 \n" ); document.write( "if w is 12 then l is 22 \n" ); document.write( "if w is 22 then l is 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |