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Mathematics 15 Online
OpenStudy (anonymous):

Police officers determine the speed of a car was traveling when the driver slammed on the brakes by measuring the length of skid marks left by the tires. On dry concrete the formula gives the speed in mi/h when the length of the skid marks is x feet. The graph shows lengths of skid marks from several cars. Which shows the speed of car A in simplest radical form? http://assets.openstudy.com/updates/attachments/5187c63be4b05c6f7f0ddb5d-isabel.a-1367852622564-courseplayercourseplayer.png

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