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December 19, 2014

Homework Help: math

Posted by Anonymous on Saturday, September 25, 2010 at 1:38am.

The formula R = -0.075t+3.85 can be used to predict the world record in the 1500 meter run, t years after 1930. Determine an inequality that world record will be less than 2.8 minutes.
Solve for t.

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