A rock sinks 160 feet in 20 seconds. Find the average rate of change per second.

1 answer:

5 0

We need to find how many feet a rock sinks per second. assuming the rock falls at a constant rate we can divide each number by 20 to get 8 feet per second.

to check our worker can multiply our feet by 20, in which we get 160.

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Harlamova29_29 [7]

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