document.write( "Question 425571: The volume V of a cylinder with a fixed height is directly proportional to the square of its radius r. If a cylinder with a radius of 10 inches has a volume of 200 cubic inches, what is the bolume of a cylinder with the same height and a radius of 5 inches? \n" ); document.write( "
Algebra.Com's Answer #296371 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The volume V of a cylinder with a fixed height is directly proportional to the square of its radius r. \n" ); document.write( " If a cylinder with a radius of 10 inches has a volume of 200 cubic inches, what is the volume of a cylinder with the same height and a radius of 5 inches? \n" ); document.write( ": \n" ); document.write( "Let v = volume of the 5 inch cylinder \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( "100v = 200*25 \n" ); document.write( "100v = 5000 \n" ); document.write( "v = \n" ); document.write( "v = 50 cu inches \n" ); document.write( " |