Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 11 miles per hour, and the other travels at a bearing of S 67° W at s miles per hour.
Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 11 miles per hour, and the other travels at a bearing of S 67° W at s miles per hour.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Transcribed Image Text:Two ships leave a port at 9 a.m. One travels at a bearing of N 53° W at 11 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 43 miles apart at noon. (Round your answer to two decimal places.)
mi/h
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