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xenn [34]
3 years ago
12

The expression - 350 + 19m represents a submarine that began at a depth of 350 feet below sea

Mathematics
1 answer:
ELEN [110]3 years ago
4 0

Answer:

A. The submarine was 217 feet below sea level after 7 minutes

Step-by-step explanation:

-350+19(7)

-350+133

-217

Since the answer is negative, the submarine was bellow sea level.

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A car travels for 3 hours and covers 156 miles. Find the average speed of the car.
lidiya [134]

Answer:

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Step-by-step explanation:

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Let's do the math!

Average speed = Δs/Δt

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It is important to say, Average speed, is a rate so it is given in miles per hour

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3 years ago
The temperature of a liquid in an experiment changes by −10.4°F from the beginning of the experiment to the first check. After m
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Step-by-step explanation:

you are correct up there I took the test and it was correct

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