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Gwar [14]
3 years ago
15

A negative correlation _____. is not a very considerate way to compute your numbers has no relationship among the variables mean

s both variables increase together means one variable goes up and the other goes down
Mathematics
2 answers:
Iteru [2.4K]3 years ago
6 0

Answer: one variable goes up and the other goes down.

Step-by-step explanation:

In statistics, correlation tells whether the two variables have relation and how strongly pairs of variables are related to each other.

A negative correlation  between two variables means that there is a inverse relationship between them such that whenever one variable increases then the other variable tends to decreases or vice- versa.

Therefore, A negative correlation means <u>one variable goes up and the other goes down</u>.

defon3 years ago
5 0
A negative correlation means one variable goes up and the other goes down
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Slope of (3, 300)(5, 180) in y=mx+b form​
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Step-by-step explanation:

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6 0
3 years ago
I'd really appreciate some help on these questions, I'm really struggling
nikklg [1K]
We can use linear combinations of the equations to eliminate variables.

3x - 4y = 1
-2x + 3y = 1

To eliminate y we'll make the linear combination of 3 times the first equation minus four times the second. 

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Adding,
x = 7

We could solve for y directly but let's use another linear combination, twice the first plus three times the second:

2(3x - 4y) + 3(-2x + 3y)= 2(1)+3(1)

y = 5

Check: 3(7)-4(5)=1 good.   -2(7)+3(5)=1 good.

Q18 Answer: (7,5)

y = -3x + 5
5x - 4y = -3

4y +1(5x - 4y) = 4(-3x + 5) + 1(-3)

5x = -12x + 20 -3

17 x = 17

x = 1
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Q19 Answer (1,2)

6x + 5y = 25
x = 2y + 24
6x = 12y + 144
5y = 25 - 12y - 144
17y = -119
y = -119/17= -7
x = 2y+24= 10
Check: 6(10)+5(-7)=25 good   2y+24=2(-7)+24=10=x good

Q20 Answer (10,-7)


3x + y = 18
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9x  + 3y = 54
9x - -7x = 54 - -10
16x = 64
x=4
y = 18 -3x = 18-12=6

Check: 3(4)+6=18 good,  -7(4)+3(6)=-10 good

Q21 Answer: (4,6)

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