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mezya [45]
2 years ago
14

Smallville High School's Principal is concerned about his school’s Advanced Placement (AP) test scores. He wonders if there is a

relationship between the students’ performance in class and their AP test scores so he randomly selects a sample of ten students who took AP examinations and compares their final exam scores to their AP test scores. .
AP Score: 5 1 4 2 1 4 2 1 3 5

Final Score %: 97 70 84 66 62 79 73 63 82 90

Create an equation and graph using the points: (5, 97), (1, 70), (4, 84), (2, 66), (1, 62), (4, 79), (2, 73), (1, 63), (3, 82), and (5, 90). Use the equation of your line of best fit to predict the final exam score of another Smallville HS student who scored a 3 on their AP test.​
Mathematics
1 answer:
vichka [17]2 years ago
4 0

Answer:

use your calculator

Step-by-step explanation:

To calculate the Linear Regression (ax+b): Press [STAT] to enter the statistics menu. Press the right arrow key to reach the CALC menu and then press 4: LinReg(ax+b). Ensure Xlist is set at L1, Ylist is set at L2 and Store RegEQ is set at Y1 by pressing [VARS] [→] 1:Function and 1:Y1.

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Please help simpliflying this pleasee!!!!!! i will give brainliest to the best answer!!!
sertanlavr [38]

Answer:

c

Step-by-step explanation:

4 0
2 years ago
A cylinder has a volume 45pi and radius 3. What is it’s height?
julsineya [31]

Answer:

the answer is 15

Step-by-step explanation:

Given data:

Volume V = 45 π and radius  

r = 3 units The formula for the volume of the cylinder is  V = B · H

Base of the cylinder is:

B = r² π = 3² π = 9 πFrom the formula  V = B · H we get H:H = V / B = 45 π / 9 π = 5 units

H = 5 units

7 0
3 years ago
Read 2 more answers
Use elimination to find the solution to the system of equations. 4x+2y=34 5x-6y=34
Colt1911 [192]

Answer:

Let's solve for x.

4x+2y=345x−6y

Step 1: Add -345x to both sides.

4x+2y+−345x=345x−6y+−345x

−341x+2y=−6y

Step 2: Add -2y to both sides.

−341x+2y+−2y=−6y+−2y

−341x=−8y

Step 3: Divide both sides by -341.

−341x

−341

=

−8y

−341

x=

8

341

y

Step-by-step explanation:

7 0
2 years ago
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Researchers wanted to determine if having a DVD player in the bedroom is associated with obesity. The researchers administered a
Mashutka [201]

Answer:

is c

Step-by-step explanation:

3 0
3 years ago
Help asap help please.
Xelga [282]

Answer:

30(x+1)/(x+7)

Step-by-step explanation:

This is not a rational expression because denominator has a domain of which it can be undefined.

To rationalize multiply by the reciprocal of the denominator (1/6+1/x+1)

___<u>5___ </u>*(6)(x+1) --> _____<u>30(x+1)_____</u> --><u> 30x+1</u>_ --> <u>30x+1</u>

1/6+1/x+1   *(6)(x+1)--> 6(x+1)/6 + 6(x+1)/(x+1) --> (x+1)+6 --> x+7

Final Answer: 30(x+1)/(x+7)



7 0
3 years ago
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