document.write( "Question 950064: If rectangle ABCD has an area of 10 square inches and a perimeter of 22 inches. What is the length and width? \n" ); document.write( "
Algebra.Com's Answer #580074 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! If rectangle ABCD has an area of 10 square inches and a perimeter of 22 inches. What is the length and width? \n" ); document.write( "*** \n" ); document.write( "let x=width \n" ); document.write( "let y=length \n" ); document.write( ".. \n" ); document.write( "2x+2y=perimeter=22 \n" ); document.write( "x*y=area=10 \n" ); document.write( "y=10/x \n" ); document.write( "2x+2y=2x+2(10/x)=22 \n" ); document.write( "2x+20/x=22 \n" ); document.write( "lcd:x \n" ); document.write( "2x^2+20=22x \n" ); document.write( "x^2-11x+10=0 \n" ); document.write( "(x-10)(x-1)=0 \n" ); document.write( "x=1 \n" ); document.write( "y=10/x=10 \n" ); document.write( "width=1 inch \n" ); document.write( "length=10 inches \n" ); document.write( " \n" ); document.write( " |