document.write( "Question 428725: Hello,\r
\n" );
document.write( "\n" );
document.write( "My math question is this
\n" );
document.write( "The length of a rectangle is 1 centimeter shorter than twice the width. It has an area of 45 square centimeters. What is the perimeter?\r
\n" );
document.write( "\n" );
document.write( "Please help
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #297959 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! L=2W-1 \n" ); document.write( "LW=45 \n" ); document.write( "(2W-1)W=45 \n" ); document.write( "2W^2-W-45=0 \n" ); document.write( "(2W+()(W-5)=0 \n" ); document.write( "W-5=0 \n" ); document.write( "W=5 ANS. \n" ); document.write( "L=2*5-1 \n" ); document.write( "L=10-1 \n" ); document.write( "L=9 ANS. \n" ); document.write( "2L+2W=P \n" ); document.write( "2*9+2*5=P \n" ); document.write( "18+10=P \n" ); document.write( "28=P ANS. FOR THR PERIMETER. \n" ); document.write( " |