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Leona [35]
3 years ago
12

The radius of each wheel of a car is... Please answer quickly

Mathematics
2 answers:
Rudiy273 years ago
8 0

the answer to this question is a

zavuch27 [327]3 years ago
6 0

Answer:

16.1 MPH

Step-by-step explanation:

If the wheels have a radius of 15 inches, then the circumference of a wheel is 2πr = 2 * π * 15 ≈  94.248 inches.

If the wheels turn at 3 revolutions per second, that mean the car is travelling 94.248 * 3 ≈ 282.74 inches/second.

There are 12*5280 = 63360 inches in a mile and 60 * 60 = 3600 seconds in an hour. So to convert from inches/second to miles per hour, we need to divide the inches per second figure by (63360/3600), which is 17.6, to get miles per hour (MPH).

So in this case, 282.74/17.6 gives you approximately 16.1 MPH.

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Bumek [7]

Answer:

Yeah pretty sure

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3 years ago
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Part of the arena is being turned into a public darkroom. The floor needs covering in rubber tiles before work can begin on the
vladimir2022 [97]

The number of tiles used is 300 tiles.

According to the statement

We have given that:

The tiles are 20 cm by 30 cm. And the dark room floor is 6 meters by 3 meters.

And we have to find that the number of tiles used to prepare the dark room.

So, For this purpose we have to find the area of the room floor.

The area of the floor is 6 *3.

The area of the floor is 18 meter per square.

The area of the tile is 0.2*0.3

The area of the tile is 0.06 meter per square.

Now,

The number of tiles used is 18/0.06

The number of tiles used is 300.

So, The number of tiles used is 300 tiles.

Learn more about Area here brainly.com/question/10090807

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7 0
2 years ago
Please help! Question above
frez [133]

Answer:

It's the first one. (m  + n - 1) sqrt p

Step-by-step explanation:

We can combine m sqrt p and n sqrt p, resulting in m + n, and combine - sqrt p to become (m + n - 1)sqrt p

3 0
3 years ago
Ignore my answers but pls solve and be correct
KiRa [710]

Answer:

The first one is 60 and the second one is 12

Step-by-step explanation:

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7 0
2 years ago
Broccoli cost $3.14 a pound at the market.
pav-90 [236]

7.85

explanation

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4 0
2 years ago
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