The Law of Cosines

Bryaunna

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Mar 20, 2019
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I need help I tried this problem like 10 times and keep getting it wrong.

Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 13 miles per hour, and the other travels at a bearing of S 67° W at s miles per hour.
(a) Use the Law of Cosines to write an equation that relates s and the distance d between the two ships at noon.
(b) Find the speed s that the second ship must travel so that the ships are 41 miles apart at noon. (Round your answer to two decimal places.)
mi/h
 
Please show us at least one of your attempts, including both work and answers, so we can see where you need help. There are several kinds of mistakes you could have made.
 
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