document.write( "Question 141284: The length of a rectangle is 3 cm more than 2 times its width. If the area of the rectangle os 93cm squared, what is the length and the width? \n" ); document.write( "
Algebra.Com's Answer #102972 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W+3 \n" ); document.write( "W(2W+3)=93 \n" ); document.write( "2W^2+3W-93=0 \n" ); document.write( "USING THE QUADRATIC EQUATION: \n" ); document.write( "W=(-3+-SQRT[3^2-4*2*-93])/2*2 \n" ); document.write( "W=(-3+-SQT[9+744])/4 \n" ); document.write( "W=(-3+-[SQRT753])/4 \n" ); document.write( "W=(-3+-27.44)/4 \n" ); document.write( "W=(-3+27.44)/4 \n" ); document.write( "W=24.44/4 \n" ); document.write( "W=6.11 ANSWER FOR THE WIDTH. \n" ); document.write( "L=2*6.11+3=12.22+3=15.22 ANSWER FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "6.11*15.22=93 \n" ); document.write( "92.99~93 \n" ); document.write( " |