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VARVARA [1.3K]
3 years ago
12

Find the average of, 18,21,19,25,24,25 With a step by step explanation please.

Mathematics
2 answers:
Pepsi [2]3 years ago
5 0

Answer: 22

Step-by-step explanation: To find the average of this data set, remember that the average of a data set is equal to the sum of the set of numbers divided by how many numbers are in the set.

So to find the average of the data set shown here, let's begin by adding the numbers.

So we have 18 + 21 + 19 + 25 + 24 + 25.

This will be divided by how many numbers are in the set which is 6.

So we have \frac{18 + 21 + 19 + 25 + 24 + 25}{6}

Adding the numbers, we get 132.

So we have \frac{132}{6} which simplfies to 22.

So the average of this data set is 22.

gogolik [260]3 years ago
4 0

Answer: The average is 22

Step-by-step explanation: To calculate any average from a database like this one, add all the numbers to find your total, which in this case would be 132. Then divide the total by however many numeric values you had to add, which would be 6. This gives you your final equation, (132 divided by 6 = 22).

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A polygon is regular when all angles are equal and all sides are equal <br><br> True or False
Vesna [10]

Answer:

True

Step-by-step explanation:

True, because a polygon have all angles that are equal and all lengths are the same length.

4 0
3 years ago
The length of a rectangle is three times its width. One way to write an expression to find the perimeter would be
navik [9.2K]
It could be written as 8w the simplified version of the example.

Or you could write it as 2(3w + w) which is 2 time the length and width.
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3 years ago
A trapezoid has an area of 60 square inches. The height of the trapezoid is 5 inches. What is the length of the longer base if t
Vinil7 [7]

Answer:

Step-by-step explanation:

Remark

Let the shorter base = x

Let the longer base = 3x

h = 5

Area = 60

Formula

Area = (b1 + b2)*h /2

Solution

60 = (x + 3x)*5 / 2                Multiply both sides by 2

2*60 = (x + 3x)*5                  Combine like terms

120 = 4x *5

120 = 20x                             Divide by 20

120/20 = x

x = 6

Therefore the two bases are

x = 6

3x = 18

5 0
3 years ago
Read 2 more answers
Please Help ASAP!!!!!!
Bumek [7]

Answer: 6

The sides are equal.

Thus

3x-6=x+2\\2x=8\\x=4

$JP=x+2=4+2=\boxed{6}$

4 0
3 years ago
Read 2 more answers
Find the area of the trapezoid?
Verdich [7]

Answer: 52.5 units squared

Step-by-step explanation:

The formula to find the area of a trapezoid is, (base1 + base2)/2 * height

So you find out which variable is which

Base 1 = 4

Base 2 = 3

Height = 15

Then plug it into the formula,

(4+3)/2 * 15

Then solve the order of operations

7/2 * 15

3.5 * 15

52.5 is the answer

8 0
3 years ago
Read 2 more answers
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