A mine shaft is 300 m deep and has an angle of depression of 65°. How long is the shaft?ept theto the parents of hisn order to... (p. 27)probably means...(5)65shaft300 m(6)Lighthouse C Is due west from a ship located at point A. Lighthouse B, which is auenorth of C, is situated such that m/CAB=26° and the distance between the twolighthouses is 13 kilometers. How far is the ship from lighthouse B?(7)Because of the pitch of the attic's roof, a bookcase that is 5 feet high must be placeas shown. What is the measure of the angle formed by the roof and the floor of the attic?5 ft12(8) ReviewWhat are the coordinates of the point on the directed line segment from (-10, -5) to(5, 1) that partitions the segment into a ratio of 1 to 2?

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Answered: A mine shaft is 300 m deep and has an…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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7. A lighthouse keeper 100 feet above water sees a boat sailing in a straight line directly toward her. As she watches, the angle of depression to the boat changes from 35° to 42°. How far has the boat traveled during this time? 7. (15)
A bowling ball is rolled down the alley with a constant velocity of 1.4 m/sec. at an angle of 86° to the starting line. The position of the person throwing the bowling ball can be represented by the point (0,0). Where is the ball after 8 seconds? O (0.1,1.4) O (0.6,8.0) O (0.8,11.2) O (11.2,0.8) A ball is thrown with a slingshot at a velocity of 95 ft./sec. at an angle 25° above the ground from a height of 6 ft. Approximately how long does it take for the ball to hit the ground? Acceleration due to gravity is 32 ft./s2. O2.65 seconds O2.51 seconds 05.45 seconds 5.38 seconds
9. Bertha works in a 32-story building (building-A) that is 140 meters tall located on a boulevard with a slope of 5°. Several blocks uphill, there is another tall office building (building-B), and Bertha decides to compare the height of both building. From the street level at the entrance of her building (building-A) she measures the angle of elevation to the top of the second building (building-B) and finds 20°. She climbs to the roof of her building and measures the second angle of elevation of 12°. Which building is taller and by how much? Round your answer to the nearest meter. EXPRESS YOUR ANSWER AS: "building-X; xxx meters" *
Can you complete 4 and 5
6. To get to Michael's house, Angela leaves her house travelling at 40 km/h along a road in an easterly direction for 45 min. She then takes a 30° right turn onto a second road and travels at 50 km/h for 30 min before arriving at Michael's house. Determine an exact expression for the distance between the two houses.
Clay pigeons are released at an angle of 30° with the horizontal. Massimo hits one of the clay pigeons when shooting through an angle of elevation of 70°. If the point of release is 120 m from Massimo, how far (x) is he from the target when it is hit? 30° 70° 120 m
11. Two surveyors are standing exactly 500 m apart. They spot a pond off in the distance. From the line passing between them, the first surveyor (surveyor A) measures the angle to the pond to be 17°. The second surveyor (surveyor B) measures the angle (from the same line between them) to be 65°. How far is each surveyor from the pond? Round to the nearest meter for each. Yes, you have enough information to solve this. Pond 65° 17° В A

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