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Alja [10]
3 years ago
10

PLEASE HELP LOOK AT THE PHOTO

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

15: 20 = ???

16: 40 = W

17: 560 = B

18: 32 = C

19: 18 = S

20: 22 = L

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(c) Use a calculator to verify that Σ(x) = 64, Σ(x2) = 1118, Σ(y) = 628, Σ(y2) = 87,982, and Σ(x y) = 9,627.
amid [387]

The correlation based on the computation is 0.97.

<h3>How to compute the value?</h3>

It should be noted that the question is that we should simply calculate the correlation which is r.

The correlation will be:

= Σ(x y) / (Σ(x²) × Σ(y²)

= 9627/✓(1118 × 87982)

= 9627 ✓98363876

= 9627/9917.86

= 0.97

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

7 0
1 year ago
Solve the system of equations by the substitution method.<br> y = 5x + 6<br> y=9x+7.
joja [24]

Answer:

(-1/4, 19/4)

Step-by-step explanation:

5x+6=9x+7

-4x=1

x= -1/4

y=5(-1/4) +6

y=19/4

3 0
3 years ago
What is the truth value for the following conditional statement?
alexgriva [62]
True I think is the answer
8 0
3 years ago
Read 2 more answers
The circumference of a circle is 28 x inches. What is the length of the radius of this circle?
Gala2k [10]

Answer:

The answer to your questions radius = 14 in

Step-by-step explanation:

Data

Circumference = 28π in

radius = ?

Circumference is defined as the distance around the edge of a circle.

Formula

Circumference = 2π radius

-Solve for radius

radius = Circumference /2π

-Substitution

radius = 28π / 2π

-Simplification

radius = 28/2

-Result

radius = 14 in

7 0
3 years ago
X<br> Combine like terms:<br> b + 4b2 - 8 + 3b - 2b2
emmainna [20.7K]

Answer:

2b^{2} + 4b - 8

4 0
3 years ago
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