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25-09-2017
Mathematics

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The length of a car’s skid mark in feet is given by L = 0.046s

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25-09-2017

100 = 0.046s^2 - 0.199s + 0.264
0 = 0.046s^2 - 0.199s - 99.736
s= 48.77691127... or -44.45082431 (reject)

The car's speed was approximately 48.8 mph.

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