document.write( "Question 203243: 1.The approximate speed that a car was traveling when the brakes are suddenly applied can be determined by the police using the equation S=4.47L^1/2 where Sis the speed of the car in miles per hour and L is the length of the skid marks left by the tires in feet. If 169-foot long skid marks were left by a car, at what speed was it traveling when the breaks were applied. \n" ); document.write( "

Algebra.Com's Answer #153342 by nerdybill(7384) $\"\"$ $\"About$

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Substitute what was given into:
\n" ); document.write( " $\"S=4.47sqrt%28L%29%29\"$
\n" ); document.write( ".
\n" ); document.write( "L = 169
\n" ); document.write( ".
\n" ); document.write( " $\"S=4.47%2Asqrt%28169%29\"$
\n" ); document.write( " $\"S=4.47%2813%29\"$
\n" ); document.write( " $\"S=58.11\"$ mph
\n" ); document.write( " \n" ); document.write( "

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