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Mathematics 17 Online
OpenStudy (anonymous):

The speed that a car is going on a dry road when the driver puts on the breaks can be estimated by the equation, s=square root of 24*d, where d is the distance that the car skids in feet. A car that was in an accident skidded 169 ft. Find the speed, in miles per hour, that a car was going before the accident occurred. Round your answer to the nearest tenth. a. 63.7mph b. 69.3mph c. 55.2mph d. 74.6mph

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