February 20, 2017

Homework Help: Pre Calc!

Posted by Ilene on Monday, May 24, 2010 at 8:27pm.

Two ships, one sailing at 30 km/hr and the other at 45 km/hr, left port at the same time. Three hours later they were 120 km apart. If you had to find the angle between their courses an equation that could be used to solve this problem is:

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