document.write( "Question 1183328: If the height of a right circular cone is decreased by 8 percent by what percent must the radius of the base be decreased so that the volume of the cone is decreased by 15 percent? \n" ); document.write( "
Algebra.Com's Answer #813584 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If the height of a right circular cone is decreased by 8 percent by what percent must the radius of the base be decreased so that the volume of the cone is decreased by 15 percent? \n" ); document.write( ": \n" ); document.write( "8% reduction = .92h \n" ); document.write( "15% reduction = .85v \n" ); document.write( "let a = reduced amt multiplier time the radius \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "multiply both sides by 3 \n" ); document.write( " \n" ); document.write( "divide both side by pi*r^2*h \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "a = \n" ); document.write( "a = .9612 times the radius, therefore \n" ); document.write( "Radius has to be reduced by 3.88%\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |