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kykrilka [37]
2 years ago
6

Rohen decided to collect data to determine if the size of a student's home and the student's age are correlated. He determined t

he data to have a correlation coefficient of 0.02. What does this r value indicate? No correlation A strong, positive correlation A weak, positive correlation A negative correlation
Mathematics
1 answer:
sukhopar [10]2 years ago
8 0

Answer:

A correlation coefficient of 0.02 indicates that the data are not correlated.

Step-by-step explanation:

0.02 is very close to zero and tells you that there is no linear relationship between the two variables.

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In a school of 2100 students, the ratio of teachers to students is 1:14. Some teachers join the school and the ratio changes to
mrs_skeptik [129]

Answer:

50 Teachers

Step-by-step explanation:

To solve this problem, we first need to find the number of teachers <em>before </em>the new teachers were added. To do so, I created Model 1. On the bottom of the ratios, we have students. On the top, is teachers. The X is the number of teachers we are trying to find. Following the model, I multiplied 2,100 x 1 (2,100) and divided it by 14 to get 150 teachers. Then, I set up a similar model with the new student-teacher ratio (Model 2). From there, I multiplied 2,100 x 2 (4,200) and divided it by 21 to get 200 teachers. Now I have the original number of teachers and the new number of teachers. Subtract the new by the original to find the teachers added and you get the answer of 50 teachers added.

6 0
2 years ago
In the diagram, the distance between the microphones is 6 feet. This is 3 times the distance d from each microphone to the sound
Readme [11.4K]

Answer:

3d = 6

Step-by-step explanation:

since the distance is 6 feet, 3 times the distance (d) would give you the equation, 3d= 6.

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7 0
2 years ago
GHLJ and GSTU are both parallelograms. Why is<br> ∠L ≅ ∠T?2
Aleksandr [31]

Step-by-step explanation:

8 0
2 years ago
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If the screws that are 4/8 of an inch are laid end to end touching each other how far would the row extend?
Irina18 [472]
Idk because you did not say yes you did how many sides there were
8 0
2 years ago
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What’s the x value of PR=9x-31 and QR=43?
True [87]
<h3>Simplifying </h3>

9x + -31 = 43

<h3>Reorder the terms:</h3>

-31 + 9x =43

<h3>Solving</h3>

-31 + 9x =43

<h3>Solving for variable 'x' .</h3><h3>Move all terms containing x to the left, </h3>

Add '31' to each side of the equation .

0 + 31 +9x = 43 + 31

<h3>Combine like terms: </h3>

-31 + 31 =0

0 + 9x = 43 +31

9x = 43 + 31

<h3>Combine like terms:</h3>

43 + 31 =74

9x = 74

<h3>Divide each side by '9'</h3>

x = 8. 222222222

<h3>Simpifying</h3>

x = 8.222222222

6 0
2 years ago
Read 2 more answers
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