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Mrac [35]
3 years ago
9

What conclusion can be made when r, the correlation coefficient between two variables, is 0?

Mathematics
1 answer:
IgorLugansk [536]3 years ago
6 0
The correlation coefficient between two variables, r, is always going to be between -1 and 1.

- If the correlation coefficient is 0, means that there is no strong correlation relationship in one direction or the other direction. 
- If the correlation coefficient is -1, means that these two variables move in opposite directions.
- If the correlation coefficient is 1, means that these two variables move in the same direction.
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Please help. I’ll mark you as brainliest if correct!
Readme [11.4K]

Answer:

\large \boxed{\sf \ \ x=0, \ \ y=-5 \ \ }

Step-by-step explanation:

Hello, please consider the following.

We have two equations:

(1) -2x - 4y = 20

(2) -3x + 5y = -25

5*(1)+4*(2) gives

   -10x - 20y -12x + 20y = 100 - 100 = 0

   -22x = 0

   x = 0

I replace in (1)

   -4y = 20

   y = -20/4 = -5

There is one solution x = 0, y = -5

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0
3 years ago
Read 2 more answers
Need help with this math problem asap, please help 5 POINT Reward!
arsen [322]

Answer is C.

Multiply the numerator and denominate by 3 - √5


Hope it helps.

8 0
3 years ago
The sector of a circle with a 16-centimeter radius has a central angle measure of 45°.
Tresset [83]
A = (45/360)×16^2×pi
A = 32pi
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3 years ago
Find the length of UV.
katovenus [111]
7x-8 (2) = 12x+8
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÷2 ÷2
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UV= 7x-8
UV= 7(12)-8
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UV= 76
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2 years ago
Henry and reiko both used 1 yard of ribbon to make bows. write two different fractions to show that Henry and reiko use the same
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To show that they used the same amount of ribbon you could take the 1 yard and divided into different sized equal groups.

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You could have ribbons the size of 1/4 our yard and 1/6 yard, but you would have different amounts of each.
4 0
3 years ago
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