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3 years ago

How do you find an average?

Mathematics

1 answer:

wlad13 [49]3 years ago

4 0

Answer:

Finding the average is a very straightforward concept. If you have a set of numbers, the average is found by adding all numbers in the set and dividing their sum by the total number of numbers added in the set.

example;

16, 17, 5, 27, 30, 20, 4, 1, 19, 9

add all 10 of these numbers together

16 + 17+ 5+27+30+4+1+19+9 = 148

divide 128 by 10

148 / 10 = 14.8

14.8 is the average

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Scilla [17]

Answer:

$\checkmark \text{B. The area of the circle is } 729\pi,\\\checkmark \text{D. The arc length of the sector is } 12\pi$

Step-by-step explanation:

Area of a circle with radius $r$ : $r^2\pi$

Circumference of a sector with radius $r$ : $2r\pi$

Area of sector with angle $\theta$ : $r^2\pi\cdot \frac{\theta}{360}$ .

Arc length of sector with angle $\theta$ : $2r\pi\cdot \frac{\theta}{360}$

Using these equations, we get the following information:

Area of circle: $27^2\pi=729\pi$

Circumference of a circle: $2\cdot 27\cdot \pi=54\pi$

Area of sector: $27^2\pi\cdot \frac{80}{360}=162\pi$

Arc length of sector: $2\cdot 27\cdot \pi \cdot \frac{80}{360}=12\pi$

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2 years ago

Given right triangle QRS, what is the value of sin(30°)?

Eva8 [605]

Answer:

1/2

Step-by-step explanation:

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2 years ago

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Luba_88 [7]

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3 years ago

Paul buys a number of large sacks of fertilizer costing $x each

Komok [63]

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3 years ago

What ratios are equivalent to 4/11

adoni [48]

Answer:

Here!!

Step-by-step explanation:

Here are a few ratios that are equivalent to 4 : 11 . . . . .

8 : 22

12 : 33

20 : 55

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308 : 847

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2 years ago