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sergejj [24]
3 years ago
9

The ratio of boys to girls in a class is 3:5. There are 32 students in the class. How many more girls than boys are there?

Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0

Answer:

There are 8 more girls

Step-by-step explanation:

If you divide 32 by 8 (since the ratio is 3:5 which is 8 parts (3+5)). You get 4.

Thus, there are 12 boys and 20 because 3*4 is 12 and 5*4 is 20. 12+20 is 32.

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Answer:

The circumference is 75.36 inches.

Step-by-step explanation:

Hi there! Please take a look at the following explanation and let me know in the comment if you have any doubts!

<h3>Given:</h3>

We are given the <u>radius</u> that’s equal to <u>12 inches</u> and π = <u>3.14</u>

<h3>Problem:</h3>

We want to find <u>the circumference</u>.

<h3>Circumference Formula:</h3>

\displaystyle \large{C=2\pi r} which simply means <em>circumference = 2*π*radius</em> or sometimes can also be written as \displaystyle \large{C=\pi d} which means <em>circumference = π*diameter </em>since 2r means two times of radius and that’s technically diameter.

<h3>Step:</h3>

Determine the following:

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Apply the circumference formula.

\displaystyle \large{C=2\cdot 3.14 \cdot 12}\\\\\displaystyle \large{C = 24 \cdot 3.14}\\\\\displaystyle \large{C=75.36}

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2 years ago
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Step-by-step explanation:

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Hope this helps and have a nice day!!
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