document.write( "Question 416924: the length of a rectangle is 3cm more than its width. the area is 471 cm what is the width? \n" ); document.write( "
Algebra.Com's Answer #292057 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! L=W+3 \n" ); document.write( "A=LW \n" ); document.write( "471=(W+3)W \n" ); document.write( "471=W^2+3W \n" ); document.write( "W^2+3W-471=0 \n" ); document.write( " \n" ); document.write( "w=(-3+-sqrt[3^2-4*1*-471])/2*1 \n" ); document.write( "w=(-3+-sqrt[9+1,884])/2 \n" ); document.write( "w=(-3+-sqrt1,893)/2 \n" ); document.write( "w=(-3+-43.509)/2 \n" ); document.write( "w=(-3+43.509)/2 \n" ); document.write( "w=40.509/2 \n" ); document.write( "w=20.253 ans. \n" ); document.write( "w=(-3-43.509)/2 \n" ); document.write( "w=46.509/2 \n" ); document.write( "w=23.253 ans. \n" ); document.write( " |