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3 years ago

Which conversion factors can be used to multiply to 4 km/min to get meters per hour?

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

8 0

A and b .....i had this problem on a quiz.

Orlov [11]3 years ago

3 0

Answer: option B and D (1000m/km and minute/60 second)
In this question, we have two unit that needed to be converted, kilometer/minutes into meter/second.
First, we need to convert km into the meter. One kilometer is equal to 1000 meter. To change kilometer into the meter, the unit used for multiplication should be 1000m/km which is option B.
Then we need to convert minute into the second. One minute is equal to 60 seconds. To change "/minute" into "/second" the multiplication unit should be minute/60 second which was option D

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The circumference of the tennis ball is 16.177 inches so the opening of the container must be equal to or greater than the circumference of the ball.

<h3>What is the volume of the sphere?</h3>

The volume of the sphere is defined as the space occupied by the sphere in the three dimensions.

In this question, we need to find out the size of the cylinder opening so

the tennis ball can fit inside the opening.

To find out this we need to calculate the circumference of the ball because if the opening of the cylinder will be equal to or greater than the circumference of the ball then the ball can easily fit inside the cylinder.

So to find out the circumference we will find the radius

$V=71.519\ inch^3$

$\dfrac{4}{3}\pi r^3=71.519$

$r=2.57\ inches$

Now the circumference of the tennis ball will be

$C=2\pi r$

$C=2\times \pi\times 2.57=16.177 \ inches$

Hence the circumference of the tennis ball is 16.177 inches so the opening of the container must be equal to or greater than the circumference of the ball.

To know more about the Volume of the sphere follow

brainly.com/question/22807400

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