document.write( "Question 426907: If the area if a rectangle is 143 sq feet and the perimeter is 48 feet, what are the dimensions? \n" ); document.write( "
Algebra.Com's Answer #296900 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Lw=A, 2(L+w)=P \n" ); document.write( "Lw=143 \n" ); document.write( "2(L+w)=48 \n" ); document.write( "L+w=24 \n" ); document.write( "L=24-w \n" ); document.write( "w(24-w)=143 \n" ); document.write( "-w^2+24w=143 \n" ); document.write( "w^2-24w=-143 \n" ); document.write( "w^2-24w+143=0 \n" ); document.write( "(w-13)(w-11)=0 \n" ); document.write( "w=11, L=13 or vice versa. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |