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Oksana_A [137]
3 years ago
12

Suppose a submarine is diving from the surface of the water at a rate of 80 feet per minute. Which integer represents the depth

of the submarine after 7 minutes
Mathematics
1 answer:
ElenaW [278]3 years ago
4 0
-80x is the the problem

In this case, x=7

-80 times 7= -560

So -560 would be the integer that represents the depth of the submarine after 7 minutes.

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Answer:

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Step-by-step explanation:

the slope is always the ratio of

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in our case, x is the time (minutes), and y is the water height (inches).

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by checking the data points we see :

with every 2 minutes passing the water height increases by 4 inches.

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and that ratio tells us now the increase of the water height with every fraction or multiple of the measured 2-minute interval.

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Answer:

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