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elixir [45]
3 years ago
8

How do you find a mean?

Mathematics
2 answers:
kherson [118]3 years ago
7 0

Answer:

Add up all the numbers, then divide by how many numbers there are.

Step-by-step explanation:

VARVARA [1.3K]3 years ago
3 0
The mean is the average of a set of numbers. You add all the numbers together then divide that total by how many numbers are in the set. Sum/Count.
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What is the name given to a five-sided polygon that has congruent sides? A. hexagon B. regular hexagon C. pentagon D. regular pe
inysia [295]

Answer:

C

Step-by-step explanation:

Pentagon

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5 0
3 years ago
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Use your knowledge on the triangle proportionality theorem to find the missing side length indicated. Be sure to explain the pro
ikadub [295]

Answer:

? = 4.29

Step-by-step explanation:

Remark

Let  x be the question mark. You get the proportionality by using the dimensions of the little triangle to the dimensions of the large triangle.

Equation

14/(14+ 4) = 15/(x + 15)                   Combine like terms on the left

14/18 = 15/(x + 15)                          Cross multiply

14*(x + 15) = 18 * 15                        Simplify the right

14(x + 15) = 270                             Divide by 14

x + 15 = 270 / 14

x + 15 = 19.29                               Subtract 15 from both sides

x = 19.29 - 15

x = 4.29    

6 0
3 years ago
I need help on this assignment
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What is the perimeter of the shape below, given a = 9.60, b = 9.33, c = 4.46, d = 8.56, e = 8.61
GalinKa [24]

Answer:

The perimeter of the shape is of 40.56 units.

Step-by-step explanation:

Perimeter of a shape:

The perimeter of a shape is the sum of the lengths of all its sides.

In this question:

The sides are a = 9.60, b = 9.33, c = 4.46, d = 8.56, e = 8.61.

So

P = a + b + c + d + e = 9.6 + 9.33 + 4.46 + 8.56 + 8.61 = 40.56

The perimeter of the shape is of 40.56 units.

3 0
3 years ago
When f(n)=-8 what is the value of n?
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Answer:

20 the answer is 20 because you plug in 4 for n.

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3 years ago
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