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Naily [24]
3 years ago
13

given the value points (0, 25), (5, 20), (12, 13), (9, 16) and (21, 4), find the value of the correlation coefficient for the da

ta.
Mathematics
1 answer:
lara [203]3 years ago
5 0
Plug all the point into your calculator. Not sure if you need it y=mx+b but the R for that is r= -1
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Determine the intercepts of the line. x-intercept:( , ) y-intercept: ( , )​
sasho [114]

Answer:

y intercept is -10

x intercept is 3

the number at which the line intersects with the line is what it will be. Remember that the x intercept is horizontal and the y intercept is vertical

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3 years ago
Hailey wants to hire someone to paint her house. She researched several independent painters who provided information about the
Reika [66]

Answer:

my name is hailey

Step-by-step explanation:

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3 years ago
What are the solutions to the system of equations? y=− x 2 +5x+6 −6x+y=6
Komok [63]

Answer:

option B

(−1, 0) and (0, 6)

Step-by-step explanation:

Given in the question two equations,

Equation 1

y =−x² + 5x + 6

Equation 2

−6x + y = 6

plug value of y in second equation

−6x −x² + 5x + 6 = 6

-x² -6x + 5x +6 - 6 = 0

-x² - x + 0 = 0

-x² -x = 0

-x(x+1) = 0

x = 0

and

x = -1

plug value of x in second equation to find y

x = 0

−6(0) + y = 6

 0 + y = 6

 y = 6

 and

x = -1

−6(-1) + y = 6

6 + y = 6

y = 0

8 0
3 years ago
Read 2 more answers
What is ​ BC ​ ? <br><br> Enter your answer in the box.<br><br> units
Vladimir79 [104]

Answer:

BC = 25

Step-by-step explanation:

AB = AC since it is an isosceles triangle

4x+1 = 2x+23

subtract 2x from each side

4x-2x+1 = 2x-2x+23

2x +1 = 23

subtract 1 from each side

2x+1 -1 = 23-1

2x = 22

divide by 2

2x/2 =22/2

x =11

BC = 3x-8

BC = 3(11) -8

BC =33-8

BC = 25


6 0
3 years ago
FILL IN THE BLANK:
faust18 [17]

Answer:

reverse

Step-by-step explanation:

When you multiply or divide on one side of an inequaltiy, you have to mirror it on the other side and you have to reverse the inequality sign.

4 0
3 years ago
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