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stich3 [128]
4 years ago
9

What is the estimated mean absolute deviation of the population? {76,67,80,83,79,76,76,82,82

Mathematics
2 answers:
Sveta_85 [38]4 years ago
6 0
The mean is 77.9 so subtract each number from the mean (if it’s negative just keep the number the same and change it to positive). Once you have subtracted the mean from all the numbers (or vise versa as long as it’s positive) add the differences together and find the mean of them. There’s your answer. ☺️
Valentin [98]4 years ago
3 0
You can't really say the absolute deviation of the population to me but if you wanted to you could
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How do I solve for X?
ladessa [460]

All the angles should add up to 360°.

8x+10x+9+21x-12+90=360°

Group like terms together.

So,8x+10x+21x+9+90-12=360

39x+87=360

39x=360-87

39x=273

x=7

3 0
3 years ago
Suppose triangle ABC is reflected over the x-axis. If the distance between point A and A’ is 14, what is the distance between th
andreyandreev [35.5K]

Given:

The triangle ABC is reflected over the x-axis.

The distance between point A and A’ is 14.

To find:

The distance between the x-axis and A’.

Solution:

If a figure is reflected across the x-axis then the corresponding parts are mirror image of each other about the x-axis.

It means the distance between A and x-axis is same as the distance between x-axis and A'.

The distance between point A and A’ is 14.

Let d be the distance between the x-axis and A’. Then,

d+d=14

2d=14

d=\dfrac{14}{2}

d=7

Therefore, the correct option is 1.

7 0
3 years ago
Thrice the difference between X and 4 is less than 9
NeX [460]
Thrice means three, so 3 times the difference of x and 4.

3(x - 4) < 9
multiply 3 by all in parentheses
(3*x) + (3*-4) < 9
3x - 12 < 9
add 12 to both sides
3x < 21
divide both sides by 3
x < 7

ANSWER: x < 7

Hope this helps! :)
4 0
3 years ago
McPhee Company manufactures rugs in the cutting and assembly process. Rugs are manufactured in 70-rug batch sizes. The cutting t
Vsevolod [243]

Answer:38 min

Step-by-step explanation:

Given

Cutting time t_1=14 min

Assembly Line time t_2=24 min

t_3=18 to move a batch of rugs from cutting to assembly

Value-added refers to a process or phase in a system that turns raw materials or work in progress into much more desirable goods and services for downstream consumers.

thus value added time is t_1+t_2=14+24 =38 min                

3 0
3 years ago
Maximo types 180 words in two minutes. How many words does he type in 7 minutes?
aleksklad [387]

Answer:

630 just divide 180 by 2, you'll get 90 the multiply it by 7

8 0
3 years ago
Read 2 more answers
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