February 21, 2017

Homework Help: Calculus

Posted by Kristy on Wednesday, November 30, 2011 at 8:15pm.

At noon, ship A is 180 km west of ship B. Ship A is sailing east at 40 km/h and ship B is sailing north at 30 km/h. How fast is the distance between the ships changing at 4:00 PM?

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