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The expression -210 + 11x represents a submarine that began at a depth of 210 feet below sea level and ascended at a rate of 11 feet per minute. What was the depth of the submarine after 5 ​minutes?

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doglover985672
ANSWER: -155 feet

EXPLANATION

-210 is the starting point
11 is the number of feet per minute
X is the number of minutes

We know x = 5 so we should write it out.

-210 + 11(5)

Now we can solve it.

11 x 5 = 55

So now we have

-210 + 55

-210 + 55 = -155

Hope this helps, let me know if you need a better explanation



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