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DanielleElmas [232]
3 years ago
6

Plz guys help me I don't no how to do math plz

Mathematics
1 answer:
zaharov [31]3 years ago
6 0
The image does not load, some "enter your password" thing pops out. idk?
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A researcher wants to know if there is a relationship between the number of shopping centers in a state and the retail sales (in
sesenic [268]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

Num shopping centers (X) :

630

370

616

700

430

558

1200

2976

Sales (Y) :

15.5

7.5

13.9

18.7

8.2

13.2

23.0

87.3

The regression equation obtained using the online regression calculator is :

y = 0.03025X - 4.87014

2.) The slope value, for every unit change in number of shopping centers, the number of sales increases by 0.03025

3.)

The Coefficient of determination (R²) as obtained by the R² value calculator is : 0.9823

4.)

About 98%  of variation in number of sales is explained by the regression line

5.)

Correlation Coefficient = 0.9911

H0 : p ≥ 0.99

H1 : p < 0.99

3 0
2 years ago
If f(x) = 3x - 2 and g(x) = 2x + 1, find (f+ g)(x).
diamong [38]

(f+g)(x)=3x-2+2x+1=5x-1

3 0
3 years ago
Write an expression for the area of the triangle below.
vfiekz [6]

It should be A= 1/2bh but im not sure why you wrote those extra things. Are we supposed to use them?

7 0
3 years ago
Describe fully the single transformation that takes shape A to shape B.
DaniilM [7]

Answer: It is a Rotation Angle 90 Degrees clockwise about the point (3,4)

Step-by-step explanation:

Mark the point (3,4) with your finger and turn your phone once to the right Your old shape is where your new shape your be now. That’s rotation.

4 0
3 years ago
In the similar quadrilaterals below, what is the length of AB?
Lana71 [14]

Answer:

there’s nothing there

Step-by-step explanation:

7 0
3 years ago
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