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Dafna11 [192]
3 years ago
11

the small submarine is -1,320 feet in relation to sea level. the submarine needs to be 180 feet below sea level in 60 minutes. h

ow far must the submarine travel?
Mathematics
2 answers:
Talja [164]3 years ago
4 0
I think the answer is -1323
MArishka [77]3 years ago
3 0

Answer:

The first submarine needs to travel at 19 feet per minute to rise to –180 feet. The second submarine needs to travel at 21 feet per minute to rise to –180 feet. The second submarine must travel 2 feet per minute faster than the first.

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If a person lnvests $120 at 8% annual interest, find the approximate value of the investment at the end of 5 years
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Answer:

$176.3193692 or $176.32 (rounded to two decimal places)

Step-by-step explanation:

It is a compound interest, which means the interest accumulates on an initial amount each period.

The formula is A=P(1+R)^n

A= the total amount P=initial amount      R=rate   n=time (years)

P=$120   Rate= 8% or 0.08 (decimal)  n=5 (years)

A=120 (1+0.08)^2

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A= 176.3193692

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8

Step-by-step explanation:

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