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Mashutka [201]
3 years ago
13

A bicycle tire has a radius of 11 inches. To the nearest inch, how far does the tire travel when it makes 7 revolutions?

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer:

d = 483.56 inches

Step-by-step explanation:

We have,

Radius of a bicycle tire is 11 inches. It is required to find the distance traveled by the distance covered by the tire when it makes 7 revolutions. One revolution means the circumference of circle. So,

C=2\pi r\\\\C=2\times 3.14\times 11\\\\C=69.08\ \text{inches}

In 7 revolution, it will cover a distance of 7C i.e.

C=69.08\times 7\\\\C=483.56\ \text{inches}

So, the tire will cover a distance of 483.56 inches in 7 revolutions

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There are four students and a lecturer for a photography session. Determine the number of ways the people can be arranged such t
steposvetlana [31]

Answer:

24 ways

Step-by-step explanation:

Given that

Number of students = 4

Lecturer have to stand in the middle position.

We have five places in which middle place is for lecturer,now we have four places and we have to arrange four students on that four places.So there will 4! ways to arrange those students.

4!= 4 x 3 x 2 x 1

4! =24

So we have 24 ways to arrange 4 students and one lecturer .

5 0
3 years ago
The amount of gas G(m) in a gas tank, in gallons, is a function of the number of miles m since Brenda began driving, as shown in
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*Assuming that you're looking at the same table in the attachment*

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6 0
3 years ago
Find the value of ( 1+cosA) (1-cosA)
Mandarinka [93]

Answer:

sin^2 A

Step-by-step explanation:

first expand the trigonometry

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3 0
2 years ago
Tom decides to paint one wall in his room green. Use the dimensions below to calculate the area of the this wall.
Anton [14]

Option C:

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Solution:

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Convert mixed fraction into improper fraction.

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Convert improper fraction into mixed fraction.

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Option C is the correct answer.

7 0
3 years ago
Francisco helps his neighbor on Sundays.<br> what the singular Noun?
White raven [17]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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