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Harman [31]
3 years ago
7

How do you find the average of a group of numbers

Mathematics
1 answer:
Iteru [2.4K]3 years ago
7 0

Answer:

You add them together and divide it by how many number there are.

Step-by-step explanation:

For example lets say we need to find the average of 12, 15, 18, and 24.

You would do 12+15+18+24

You will get a sum of 69

Then since there are 4 numbers you do 69 divided by 4 and get a quotients of 17.25.

Therefore 17.25 is the average of all four numbers.

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Can anyone help me set up a system of equations for these problems??
statuscvo [17]

Answer:

L = the length of the field

W = the width of the field

The First Question:

The system is: L - 12 = w

                         2L + 2W = 76

Plug in L - 12 for W and you will get

2L + 2L - 24 = 76

4L -24 = 76

4L = 100

L = 25

To find W do L - 12 = w

25 - 12 = w

w = 13

8 0
3 years ago
A square has a perimeter of 28 ft. What is the length of each side? and it is in ft
Virty [35]

Answer: 7 feet

Step-by-step explanation:

Since all 4 sides of a square are equal, you do 28 / 4 = 7 feet, which is the answer.

7 0
3 years ago
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The value of sales at the shop decreases from 145,000 a year to 129,000 find the percentage decrease in the value of sales
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Answer:

11.0344828%

Step-by-step explanation:

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3 years ago
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144 cm3 is what i came up with!
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Answer:

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