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kherson [118]
3 years ago
7

A submarine started at sea level and was 400 meters below sea level in 10 minutes. Which statement correctly explains the submar

ine’s rate of movement? A. Since = 40, you find that the submarine ascended at a rate of 40 meters per minute. B. Since = –40, you find that the submarine ascended at a rate of 40 meters per minute. C. Since = 40, you find that the submarine descended at a rate of 40 meters per minute. D. Since = –40, you find that the submarine descended at a rate of 40 meters per minute.
Mathematics
2 answers:
enot [183]3 years ago
3 0
D because the submarine started at sea level and ended 400 meters BELOW sea level.
Studentka2010 [4]3 years ago
3 0
I would say D.) Because the rate is 40 and you are indeed descending. Between this answer and C.) I'd choose this one because it has the negative sign in front of the 40 to communicate that the sub is indeed descending. 
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If we plug the known values into this formula, we have

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So, the probability of A \setminus B is a bit less than P(A), we have to take away all events that belong to B as well:

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