simmonskatherine532 simmonskatherine532

15-10-2020
Mathematics

contestada

A submarine begins at -212 feet below sea level. If
the submarine plans to descend at 15 feet per minutes,
how long will it take the submarine to reach a depth of
-287 feet?
A. 75 minutes C. 7 minutes
B. 8 minutes D. 5 minutes

Respuesta :

jcherry99 jcherry99

15-10-2020

Answer:

Step-by-step explanation:

Ending depth = -287

Starting depth= -212

Difference = -75 feet

The submarine plans on dropping 15 feet a minute.

Time = displacement / time = -75/-15 = 5 minutes.

Answer: D

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