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Mathematics 15 Online
OpenStudy (ucreategames):

The speed that a car is going on a dry road when the driver puts on the breaks can be estimated by the equation http://www.aventalearning.com/courses/ALG1x-CR-A09/b/exams/rsp_Unit_8_Exam/img86.jpg, where d is the distance that the car skids in feet. A car that was in an accident skidded 155 ft. Find the speed, in miles per hour, that a car was going before the accident occurred. Round your answer to the nearest tenth.

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