document.write( "Question 137431: The length of a rectangle is 1 inch. less than twice the width. the area of the rectangle is 21 spuare inches. What is the length of the rectangle. \n" ); document.write( "
Algebra.Com's Answer #100570 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-1 \n" ); document.write( "W(2W-1)=21 \n" ); document.write( "2W^2-W-21=0 \n" ); document.write( "(2W-7)(W+3)=0 \n" ); document.write( "2W-7=0 \n" ); document.write( "2W=7 \n" ); document.write( "X=7/2 \n" ); document.write( "X=3.5 FOR THE WIDTH. \n" ); document.write( "L=2*3.5-1 \n" ); document.write( "L=7-1 \n" ); document.write( "L=6 FOR THE LENGTH. \n" ); document.write( "6*3.5=21 \n" ); document.write( "21=21 \n" ); document.write( " \n" ); document.write( " |