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ronny80
14.07.2019 •
Mathematics
Acar travels at 8,800 feet per minute. if the radius of the tire on the car is 2 feet, how many revolutions does one of these tires make in three minutes? (22/7=pi)
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Ответ:
A revolution is once around the outside measure of the tire. This is also known as the circumference of a circle. The circumference of this tire is found in the formula
where r is the radius of the tire and pi is given as the fraction equivalent 22/7. If we fill in the formula accordingly, we have
Remember that when we divide fractions, we bring up the bottom fraction and flip it to multiply. That means that the tire makes 700 revolutions in 1 minute. In 3 minutes it makes 700 times 3 which is 2100 revolutions.
Ответ:
53 h
Step-by-step explanation: