A scientist uses a submarine to study ocean life. • She begins at sea level, which is an elevation of o feet. She descends for 106 seconds at a speed of 4.5 feet per second. • She then travels directly up for 64 seconds at a speed of 1.9 feet per second. At this point, what is her elevation, in feet?

Algebra: Structure And Method, Book 1
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Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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Section12.8: Joint And Combined Variation
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A scientist uses a submarine to study ocean life.
• She begins at sea level, which is an elevation of o feet.
She descends for 106 seconds at a speed of 4.5 feet per second.
• She then travels directly up for 64 seconds at a speed of 1.9 feet per second.
At this point, what is her elevation, in feet?
Transcribed Image Text:A scientist uses a submarine to study ocean life. • She begins at sea level, which is an elevation of o feet. She descends for 106 seconds at a speed of 4.5 feet per second. • She then travels directly up for 64 seconds at a speed of 1.9 feet per second. At this point, what is her elevation, in feet?
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