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Goryan [66]
3 years ago
14

Approximately 0.45 m. A mountain bike tire has a diameter of approximately. 0.6 m. In a 400-m race, how many more times will the

BMX bike tire have to turn than the mountain bike tire?
Mathematics
1 answer:
valentinak56 [21]3 years ago
5 0

Answer:

71 times

Step-by-step explanation:

Diameter of BMX bike= 0.45m

Radius= 0.225m

Cirumference of BMX bike

C= 2πr

C=2*3.142*0.225

C= 1.4139m

In a 400-m race, the BMX bike will turn

=400/1.4139

=282.9 times

=283 times

Diameter of  Mountain bike= 0.6m

Radius= 0.3m

Circumference of Mountain bike

C= 2πr

C=2*3.142*0.3

C=1.8852m

In a 400-m race, the Mountain bike will turn

=400/1.8852

=212.17 times

=212 times

Hence the difference is

=283 -212

=71 times

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The circumference of a circle is 15π ft. What is the area, in square feet? Express your answer in terms of π.
DerKrebs [107]

Answer:

  • Area of the circle is 56.25π square feet.

Step-by-step explanation:

<u>Given that</u>:

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<u>To Find</u>:

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<u>We know that</u>:

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⟶ 2πR = 2π × 7.5

Cancelling 2π.

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