The expression -120 + 13m represents a submarine that began at a depth of 120 feet below sea level and ascended at a rate of 13
feet per minute. What was the depth of the submarine after 6 minutes?
1 answer:
Answer:
It would be at a depth of 42 meters below the surface
Step-by-step explanation:
13(6)=78 -120+78=-42
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