The expression -310 + 15m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 15 feet per minute. What was the depth of the submarine after 8 minutes?

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asked May 1, 2022 218k views

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The expression -310 + 15m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 15 feet per minute. What was the depth of the submarine after 8 minutes?

Mathematics
high-school

Martin Fink asked

by Martin Fink

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1 Answer

4 votes

Answer:

190 feet below sea level

Explanation:

d = -310 + 15m

d = -310 + 15(8)

d = -310 + 120

d = -190

Joel Truher answered May 5, 2022

by Joel Truher

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