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MathematicsMathematics
31 July, 10:13

A running cheetah begins to slow down. For each meter the cheetah travels, its speed changes by - 3.4-3.4 kilometers per hour. The cheetah travels a total of 21.5 meters. What is the total change in the cheetah's speed during this time?

A. 73.1

B. 71.9

C. 18.1

D. - 18.1

E. - 71.9

F. - 73.1

+1
Answers (1)
  1. 31 July, 10:16
    0
    The speed reduces:

    3.4 km/h per meter

    Total reduction over 21.5 meters:

    3.4 x 21.5 = 73.1

    Because it is a reduction, it will be negative.

    The answer is F. - 73.1
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Home » Mathematics » A running cheetah begins to slow down. For each meter the cheetah travels, its speed changes by - 3.4-3.4 kilometers per hour. The cheetah travels a total of 21.5 meters. What is the total change in the cheetah's speed during this time? A. 73.1 B.
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