7.1 quiz 15

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Apr 3, 2024

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3/23/24, 11:48 PM ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596… https://ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596a4283&mode… 1/5 TAKE QUIZ page 2 of 3 Main Menu Change Course Help Log Out Ashton Van Tran — ccs-21994 2024SP MATH2312 11130 - Precalculus — Session 1 — ID10154 Sat Mar 23 23:47 2024 Submit Test/Quiz 1 2 3 4 5 6 7 8 time left: 00:59:06 Quiz 15 (ID 247423) Due: Sat Mar 23 23:59 2024 . Until due: 0.0 days. Question number 1. A string running from the ground to the top of a fence has an angle of elevation of 45°. The string is 6 feet long. What is the distance, in feet, between the fence and where the string is pegged to the ground? None of these. Question number 2.
3/23/24, 11:48 PM ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596… https://ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596a4283&mode… 2/5 Suppose that you are headed toward a plateau 45 meters high. If the angle of elevation to the top of the plateau is 21°, how far are you from the base of the plateau, in meters? None of these. Question number 3. A wire 120 feet long is attached to the top of a radio transmission tower, making an angle of 47° with the ground. How high is the tower, in feet? Round your answer to the nearest ten- thousandth. 81.8398 128.6842 96.5387 87.7624 164.0793 None of these. Question number 4.
3/23/24, 11:48 PM ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596… https://ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596a4283&mode… 3/5 A ramp for wheelchair accessibility is to be constructed with an angle of elevation of 13 degrees and a final height of 6 ft. How long is the ramp, in feet? None of these. Question number 5. Draw triangle ABC with side BC as the base. The measure of angle A is 30°. If a perpendicular is drawn from B to side AC, the height is  8 cm. What is the length of side BA, in centimeters? None of these.
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3/23/24, 11:48 PM ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596… https://ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596a4283&mode… 4/5 Question number 6. In right triangle ABC with   ∠ C = 90°,   ∠ B = 55°,  and BA measures 7 units. Find the length of AC. None of these. Question number 7. To measure the height of a cloud, you place a bright searchlight directly below the cloud and shine the beam straight up. From a point 140 feet away from the base of the searchlight, you measure the angle of elevation of the cloud to be 74°. How high is the cloud? Round your answer to the nearest foot. 401 508 538 537 488 None of these.
3/23/24, 11:48 PM ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596… https://ccs.casa.uh.edu/cgi-bin/canvas?course=10154_student_399f1a854bf5c2e8efa9b9eda8d3fb90d93d7300a2bb156d05430891596a4283&mode… 5/5 Question number 8. A ramp leading to the freeway overpass is 210 feet long and rises 28 feet. What is the angle of elevation of the ramp to the freeway? 7.59° 7.66° 0.47° 12.26° 82.34° None of these. Submit

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