03-02-2017
Mathematics

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The graph shows the number of paintballs a machine launches, y, in x seconds:

Which expression can be used to calculate the rate per second at which the machine launches the balls? (5 points)

A. 80/40
B. 20/4
C. 4/80
D. 4/20

The graph shows the number of paintballs a machine launches y in x seconds Which expression can be used to calculate the rate per second at which the machine l class=

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joshlarge4444 joshlarge4444

03-02-2017

the answer is B, 20 balls in 4 seconds. Or 5 balls per second.

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