4. The Goodyear blimp flies 153 miles with a tailwind in the same time it travels 57 miles with a headwind. If the speed of the wind is 16 mph, what is the speed of the blimp in still air?
4. The Goodyear blimp flies 153 miles with a tailwind in the same time it travels 57 miles with a headwind. If the speed of the wind is 16 mph, what is the speed of the blimp in still air?
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section: Chapter Questions
Problem 1RP
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Transcribed Image Text:4. The Goodyear blimp flies 153 miles with a tailwind in the same time it travels 57 miles vith a
headwind. If the speed of the wind is 16 mph, what is the speed of the blimp in still air?
5. A fountain has two drainage valves. With the first valve open, the fountain drains completely in 6 h.
With only the second valve open, the fountain drains completely in 4.25 h. About how many hours will
the fountain take to drain with both valves open? Round your answer to the nearest tenth.
6. A river tour boat averages 7 miles per hour in still water. If the total 24-mile tour downriver and 24
miles back takes 7 hours, then how fast is the river current?
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