18. From the top of a light house 53 m above the water, the angle of depression of a boat due south is 18056’47”. Calculate the speed of the boat, if after it moves due west for 2 minutes the angle of depression is 14020’. A. 69.26 meters/min B. 48.17 meters/min C. 87.35 meters/min D. 29.47 meters/min 31. The sum of the digits of a two-digit number is 11. If the digits are reversed, the resulting number is 7 more than twice the original number. What is the original number? A. 38 B. 53 C.83 D. 44
18. From the top of a light house 53 m above the water, the angle of depression of a boat due south is 18056’47”. Calculate the speed of the boat, if after it moves due west for 2 minutes the angle of depression is 14020’. A. 69.26 meters/min B. 48.17 meters/min C. 87.35 meters/min D. 29.47 meters/min 31. The sum of the digits of a two-digit number is 11. If the digits are reversed, the resulting number is 7 more than twice the original number. What is the original number? A. 38 B. 53 C.83 D. 44
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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18. From the top of a light house 53 m above the water, the angle of depression of a boat due south is 18056’47”. Calculate the speed of the boat, if after it moves due west for 2 minutes the angle of depression is 14020’.
A. 69.26 meters/min B. 48.17 meters/min C. 87.35 meters/min D. 29.47 meters/min
31. The sum of the digits of a two-digit number is 11. If the digits are reversed, the resulting number is 7 more than twice the original number. What is the original number?
A. 38 B. 53 C.83 D. 44
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