document.write( "Question 467838: The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length l, in feet. How far will a car skid at 60 mph? \n" ); document.write( "
Algebra.Com's Answer #321192 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The formula r=2sqrt(5l) can be used to approximate the speed r, in miles per \n" ); document.write( " hour, of a car that has left skid marks of length l, in feet. \n" ); document.write( " How far will a car skid at 60 mph? \n" ); document.write( ": \n" ); document.write( "Write it: \n" ); document.write( " \n" ); document.write( "divide both sides by 2 \n" ); document.write( " \n" ); document.write( "square both sides \n" ); document.write( "5L = 30^2 \n" ); document.write( "5L = 900 \n" ); document.write( "L = \n" ); document.write( "L = 180 ft skid marks \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check on a calc: enter 2* \n" ); document.write( " \n" ); document.write( " |