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cupoosta [38]
2 years ago
10

Gotta question what us 9 times 8 Do not answer the question without showing your work or I'm reporting you because your stealing

my points
Mathematics
2 answers:
Aleksandr-060686 [28]2 years ago
8 0

Answer:

72

Step-by-step explanation:

9x8 is the same as 9+9+9+9+9+9+9+9

when you add them together, you get 72.

Wittaler [7]2 years ago
8 0

Answer:

72

Step-by-step explanation:

9x8=72 because it is similar to 9+9+9+9+9+9+9+9 which is equals to 72 and it is also similar to 8+8+8+8+8+8+8+8+8 which is also equals to 72 because multiplication is repeated addition

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What is the area of the trapezoid below?
Softa [21]

Answer:

B

Step-by-step explanation:

Hope this helps! have a great day!

3 0
3 years ago
Standard deviation of a normal data distribution is a _______. Group of answer choices
FrozenT [24]

Answer:

Standard deviation of a normal data distribution is a measure of data dispersion.

Step-by-step explanation:

Standard deviation is used to measure dispersion which is present around the mean data.

The value of standard deviation will never be negative.

The greater the spread, the greater the standard deviation.

Steps-

1. At first, the mean value should be discovered.

2.Then find out the square of it's distance to mean value.

3.Then total the values

4.Then divide the number of data point.

5.the square root have to be taken.

Formula-

SD=\sqrt{\frac{(\sum{x-x)^2}  }{n-1}

   Advantage-

It is used to measure dispersion when mean is used as measure of central tendency.

5 0
3 years ago
Find the perimeter of a triangle with sides 11 inches, 5 inches, and 13 inches. Show your work.
Katarina [22]
To find the perimeter, you add up all the sides. 

11 + 5 + 13 = 29

29 inches is the perimeter. 
7 0
3 years ago
How do you find y = x + 8. x + y = 2 in substitoun form
Arturiano [62]
You plug in x + 8 for y in the second equation.
answer: x + x + 8 = 2
4 0
3 years ago
What expression are equivalent to -56z + 28
sveta [45]

Answer:

-28(2z - 1)

Step-by-step explanation:

Looking at the coefficients -56 and 28 in -56z + 28, we see that -28 is common to both and can be factored out:

-56z + 28 = -28(2z - 1).

8 0
3 years ago
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