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velikii [3]
3 years ago
12

-9x-5x=20 Please solve for x!

Mathematics
1 answer:
Zina [86]3 years ago
3 0

Answer:

x=-\frac{10}{7}

Step-by-step explanation:

Equation: -9x-5x=20

1). -9-5=-14

    -14x=20

2). \frac{-14x}{-14}=\frac{20}{-14}

     

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Part F What is the mean absolute deviation for Doctor A’s data set on glasses? What is the mean absolute deviation for Doctor B’
frez [133]

There is more variability on glasses of doctor B's dataset than the glasses of doctor A's dataset

<h3>The doctors' mean absolute deviation on glasses</h3>

The dataset of doctor A is given as:

643 634 670 658 636 624 641 655 649 629

The dataset of doctor B is given as:

651 625 622 624 631 621 653 647 646 646

Using a statistical calculator, we have:

<u>Doctor A</u>

  • Doctor A: Mean Absolute Deviation (MAD) = 11.28
  • Doctor B: Mean Absolute Deviation (MAD) = 12

Hence, the mean absolute deviation is 11.28 for Doctor A’s and 12 for Doctor B’s data set on glasses

<h3>The variation of the two data</h3>

In a dataset, the larger the mean absolute deviations value, the larger the variation.

By comparison, 12 is greater than 11.28

Hence, there is more variability on glasses of doctor B's dataset than the glasses of doctor A's dataset

Read more about mean absolute deviation at:

brainly.com/question/3250070

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7 0
2 years ago
What is 10/4+1/3? Pls
borishaifa [10]
The answer to this is 17/6

decimal form: 2.83 (the three is repeating)

mix number: 2 5/6

Hope this helped :)
8 0
3 years ago
Read 2 more answers
A shadow 60 meters long is cast by a stone tower that is 32 meters tall. If a cedar tree close
hjlf

Answer:

107

Step-by-step explanation:

you will add 60 + 32 +15 = 107 that is how i got the answer

6 0
3 years ago
The isosceles triangle below has one angle measure as shown what is the measure of each of the other angles?
SSSSS [86.1K]
The answer would be 65°.
This is because 180° -50° equals 130°. And 130° divided by two equals 65°. The two remaining angles must be equal because it is an isosceles triangle.
8 0
3 years ago
If x-5(x-7)=-7 then x equals what?
NeX [460]
Expand

simplify x - 5x + 35 to -4x + 35

subtract 35 from both sides

simplify -7 - 35 to -42

divide both sides by -4

two negatives make a positive

simplify 42/4 to 21/2

Answer: x = 21/2.
7 0
3 years ago
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