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Makovka662 [10]
3 years ago
13

How many full revolutions does a car tire with a diameter of 25 inches make when the car travels 1 mile

Mathematics
2 answers:
Nitella [24]3 years ago
7 0

Answer: 806.72 full rotations.

Step-by-step explanation: There are 5,280 ft in a mile (a good thing to have memorized) multiply that by 12 to find inches. 5280*12 = 63360. Then we divide this by the circumference of the circle. C = 2πr. The radius is half the diameter so C = dπ. 25π = 78.54. Then we divide 63360/78.54 = 806.72 rotations.

Alexeev081 [22]3 years ago
3 0

Step-by-step explanation:

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help pls The circumference of the hub cap of a tire is 80.1 centimeters. Find the area of this hub cap. Use 3.14 for pi. Use pen
Liula [17]

Answer: The area is 510.25 cm². If the circumference of the cap were smaller then the area would be smaller as well

Step-by-step explanation:

First, you must find the radius

<em>80.1 ÷ 3.14 = 25.5</em>

<em>25.5 ÷ 2 = 12.75 <---- radius</em>

Then from that, you find the area

A=πr²

<em>12.75² = 162.5</em>

<em>162.5 × 3.24 = 510.25</em>

<em></em>

<em>Hope this was helpful!</em>

<em></em>

3 0
2 years ago
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choli [55]
The answer is no solution.

Explanation: x+4 = x+8
-x -x
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5 0
3 years ago
16x+5=12x-6, 4x+5=-6 what property is that
Nuetrik [128]

Answer:

subtraction property

Step-by-step explanation:

because you subtracted 12x from 16x to get 4x+5=-6

3 0
3 years ago
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Solve the system of equations. y = 6x - 27 y = 4x - 17
NeTakaya
Y=6x-27...........(1)
y=4x-17...........(2)

By comparison
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=> 2x=10 => x=5
Substitute x=5 into (1)
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Step-by-step explanation:

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