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April 16, 2014

Homework Help: calculus

Posted by Jake on Tuesday, December 22, 2009 at 9:20pm.

Optimization

At 1:00 PM ship A is 30 miles due south of ship B and is sailing north at a rate of 15mph. If ship B is sailing due west at a rate of 10mph, at what time will the distance between the two ships be minimal? will the come within 18 miles of each other?


The answer is 2:23:05 and yes,
i just need help with the setup

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