Sunday
November 23, 2014

Homework Help: calculus

Posted by lisa on Saturday, February 23, 2013 at 3:22pm.

At noon, you and I start at the same place, and then you head east at a speed of 5 kilometers per hour, and I head north at a speed of 4 kilometers per hour. After two hours, how fast are we moving apart, in kilometers per hour?

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