document.write( "Question 455093: I need help again, Thanks
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document.write( "The formula r= 2sqrt 5L can be used to approximate the speed r in miles per hr of a car that has left skid marks of length L in feet. How far will a car skid at 60 mph? \n" );
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Algebra.Com's Answer #312431 by amoresroy(361)![]() ![]() You can put this solution on YOUR website! Given: \n" ); document.write( " r = 2(5L)^1/2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "where r = 60 \n" ); document.write( " \n" ); document.write( " 60 = 2(5L)^1/2 \n" ); document.write( " 30 = (5L)^1/2 \n" ); document.write( " \n" ); document.write( "Square both sides \n" ); document.write( " 900 = 5L \n" ); document.write( " L = 180\r \n" ); document.write( "\n" ); document.write( "The car will skid 180 ft.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |