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pishuonlain [190]
2 years ago
11

The yearbook club had a meeting. The meeting had 30 people, which is three-fifths of the club. How many people are in the club?

Mathematics
1 answer:
pentagon [3]2 years ago
6 0
The total amount of people in the club is 50.


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I need help on this problem!!! please help!!! ​
MA_775_DIABLO [31]
(0.1x-22)+(0.3x-54)=90

First combine like terms

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Now add 76 on both sides

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3 years ago
Find the arc length of the 3/4 of a circle with a radius of 5
IgorLugansk [536]

Answer:

7.5 pi

Step-by-step explanation:

The formula for arc length of a sector is denoted as

\frac{x}{360}2\pi r, where x is the central angle of the sector.

Since the sector is 3/4 of a circle, the central angle will be 3/4 of 360 degrees.

3/4 of 360 is 270, so we have our central angle. We also have our radius which we can plug into the formula.

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3 0
3 years ago
8n + 12 - 5n = 21<br> n=?
insens350 [35]

Answer:

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Step-by-step explanation:

Simplifying

8n + 12 + -5n = 21

Reorder the terms:

12 + 8n + -5n = 21

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Solving

12 + 3n = 21

Solving for variable 'n'.

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Add '-12' to each side of the equation.

12 + -12 + 3n = 21 + -12

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Divide each side by '3'.

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Simplifying

n = 3

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