Homework Help: pre calc

Posted by colonel smith on Thursday, December 8, 2011 at 3:21pm.

A navy destroyer is exactly 68 miles North of an aircraft carrier, which is travelling West 21 degrees North at 18 mph. what speed and bearing must the destroyer maintain if it is to reach the aircraft carrier in exactly 3 hrs?

pre calc - bobpursley, Thursday, December 8, 2011 at 3:30pm
and what is your thinking? I will be happy to critique it.
pre calc - colonel smith, Thursday, December 8, 2011 at 5:03pm
would it be 226 mph
???/

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