Select all options that are equivalent to pi (π). A. Dividing the circumference of pumpkin by its diameter.

B. Multiplying the diameter of a tire by its circumference.

C. Dividing the diameter of a CD by its circumference.

D. Dividing the circumference of a plate by twice its radius.

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Ответ:

jeremiah52

23.07.2020

Mathematics

7.6 m/s faster

Step-by-step explanation:

Speed of swimmer = 1.8 meters per second

The distance covered by runner = 200

Time of runner = 21.3 sec

We have to find the speed of the runner first so that we can compare with the speed of swimmer.

Speed = Distance/Time

=> 200/21.3

=> 9.4 m/s

So we have to find the difference between both speeds

Difference = 9.4 - 1.8

=> 7.6 m/s

So the runner was 7.6 m/s faster..

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Select all options that are equivalent to pi (π). A. Dividing the circumference of pumpkin by its diameter. B. Multiplying the diameter of a tire by its circumference. C. Dividing the diameter of a CD by its circumference. D. Dividing the circumference of a plate by twice its radius.