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crimeas [40]
3 years ago
11

What is the best choice for r (the correlation coefficient)?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
3 0

Answer:

B) r = -0.35

Step-by-step explanation:

Correct me if I'm wrong

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The perimeter of a regular hexagon is 84 cm. What is the length of one side?
bonufazy [111]

Answer:

14cm

Step-by-step explanation:

As we know , hexagon has six sides .

so ,

We will divide the number of sides by the total perimeter to obtain the length of one side :

_____________________

Hexagon = 6 sides .

Length of one side of hexagon would be = 84/6

=> 14 cm

3 0
3 years ago
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WILL MARK AS BRAINLIEST
tatyana61 [14]

Hello!

As you can see, there are 9 total activities. As you can see, 6 of them burn more than 400 calories. This gives us the probability 6/9.

Therefore, our answer is C) 6 out of 9

I hope this helps!

4 0
4 years ago
Find the slope of the line that passes through the points (3, 6) and (5, 3).
DanielleElmas [232]

Hello!

To find the slope of the line that passes through the points (3, 6) and (5, 3), we will need to use the slope formula.

Slope formula is \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

Now, we should assign the given points as x1, y1 or x2, y2. The point (3, 6) can be assigned to x1, y1, and (5, 3) to x2, y2.

Now, substitute the given points into the slope formula.

\frac{3-6}{5-3} =  -\frac{3}{2}

Therefore, the slope of the line is choice A, -3/2.

7 0
3 years ago
Who wants to help me out? :)))
Free_Kalibri [48]

Answer:

is that a test or homework

Step-by-step explanation:

I'm a kid so I have no idea

6 0
3 years ago
Suppose y varies jointly as x and z. Find y when x=-9 and z=23, if y=117 when x=-3 and z=-11. Round your answer to the nearest h
Andrew [12]

Answer:

The value of y given the values of x and z in the question is -734.85

Step-by-step explanation:

This is a joint variation question.

First, we are made to know that y varies jointly as x and z.

The equation for this can be written as;

y = k * x * z

Where k is the constant of proportionality.

Let’s calculate k first.

117 = k * (-3) * (-11)

33k = 117

K = 117/33 = 3.55

Now, we proceed to get what y is when x = -9 and z = 23

Let’s plug these values into the initial equation written.

y = k * x * z

We use the value of k calculated above;

y = 3.55 * (-9) * (23) = -734.85

4 0
3 years ago
Read 2 more answers
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