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svetoff [14.1K]
3 years ago
15

The scatterplot shows the data collected from a survey of 19 students, in which they were asked how many hours per week they stu

dy (x) and what their GPAs are (y). What relationship, if any, is shown between the two sets of data?
A) There is no correlation between them.
B) There is a positive correlation between them.
C) There is a negative correlation between them.
D) There is an indirect correlation between them.
Mathematics
2 answers:
aniked [119]3 years ago
8 0

Answer:

B.

Step-by-step explanation:

konstantin123 [22]3 years ago
3 0

Answer:

The Answer is B) There is a positive correlation between them.

Step-by-step explanation:

There is a positive correlation between them. Since the points on the graph tend to rise from left to right, the correlation is positive.

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px-qx

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For her cellular phone service, Vera pays $32 a month, plus 0.75 for each minute over the allowed minutes in her plan. Vera rece
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one months bill would be $32+$0.75X=$47   X= minutes use over given time.

X= 20

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6 0
3 years ago
PLEASE HELP
ycow [4]

Answer:

11 bushels of apples were sold

Step-by-step explanation:

Let

x---->  bushels of peaches

y---->  bushels of apples

we know that

7x+6y=346 -----> equation A

x=y+29 -----> equation B

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6 0
2 years ago
The circumference of a circle is 6.28. What is the area of the circle.
Rom4ik [11]
Hello there! Thank you for asking your question here at Brainly. I will be assisting you today with how to handle this problem, and will teach you how to handle it on your own in the future.

First, let's evaluate the question.
"The circumference of a circle is 6.28. What is the area of a circle?"

Now, let's remember the different formulas for area and circumference.
The circumference is "2•3.14•r", while the area is "3.14•r•r".

We have our circumference, 6.28.
However, we are looking for the area. Since we have the circumference, we need to narrow down to the radius (so we can solve for the area).
Let's set this up as an equation;
C = 2 • 3.14 • r
Plug in the value for our circumference.
6.28 = 2 • 3.14 • r
Multiply 2 by 3.14 and r to simplify the right side of the equation.
2 • 3.14 • r = 6.28 • r = 6.28r

We're now left with:
6.28 = 6.28r
Divide both sides by 6.28 to solve for r.
6.28 / 6.28 = 1
6.28r / 6.28 = r

We are now left with the radius:
R = 1.

Now, we can solve for the area.
Remember our formula for the area.
A = r • r • 3.14.
Plug in 1 for r.
A = 1 • 1 • 3.14
A = 3.14.

Your area is 3.14 units^2.

I hope this helps, and has prepared you for your future problems in relation to this topic!
6 0
3 years ago
Read 2 more answers
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