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Svet_ta [14]
4 years ago
7

Frank Fitness found a correlation coefficient of —.74 between hours of strenuous exercise each week and a standard measure of bo

dy mass. He interprets this to mean that there is a: A weak, negative correlation between hours of strenuous exercise and body mass. B strong, positive correlation between hours of strenuous exercise and body mass. C weak, positive correlation between hours of strenuous exercise and body mass. D strong, negative correlation between hours of strenuous exercise and body mass.
Mathematics
1 answer:
irina1246 [14]4 years ago
5 0

A a B b C c D d E e F f G g H h I i J j K k L l M m N n O o P p Q q R r S s T t U u V v W w X x Y y Z z 1 2 3 4 5 6 7 8 9 0

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I NEED SOME HELP!!!​
Sloan [31]
I believe it’s C! Sorry if that’s wrong
5 0
3 years ago
Read 2 more answers
A table top is shaped like a rectangle whose perimeter is 64 in. The length is 2 in. more than the width. Find the length and th
chubhunter [2.5K]
Start with the original equation (length + width= perimeter)
2l + 2w = P
we know here that the length (l) is 2 more than the width (w), 
from this we can say [w= l+2]
put the new w back into the equation
2l + [l+2] = P
now the equation only has one variable, we can simplify it to
3l + 2 = P
we know (from the given information in the origial problem) that the perimeter is 64. 
3l + 2 = 64
tada, not we solve (subtract 2 from both sides)
3l = 62
(divide by 3)
l = 20.67

the length is 20.67
the width is 18.67
:)
7 0
4 years ago
Find x. Round your answer to the nearest tenth of a degree.<br> 9<br> 6<br> X
VLD [36.1K]
Not enough information, assuming you pasted it badly. try including a screenshot instead
4 0
4 years ago
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What is the graph for the above relationship?
Vesna [10]

Second graph.

<h2>Explanation:</h2>

Hello! You haven't provided any relationship, but I found it on the internet and it is the table attached below. The point-slope form of the equation of a line is given by:

y=mx+b

So:

y-Intercept: \\ \\ (0,b) \\ \\ \\ From \ the \ table: \\ \\ (0,b)=(0,46) \\ \\ So: \\ \\ b=46

Finding the slope:

m=\frac{39-46}{1-0} \\ \\ m=-7

So the equation of the line is:

y=-7x+46

From the graphs, only option 2 and 4 have negative slope and only option 2 passes through (0,46)

Conclusion: Correct option is second graph.

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

3 0
3 years ago
Figure ABCD is a parallelogram. If ABCD is also a rhombus, what must be the value of x? 13 15 18 23
nevsk [136]

Answer: First option 13

Solution

If ABCD is a rhombus, the diagonals must be perpendicular, then the angle (5x+25)° must be a right angle (90°):

(5x+25)°=90°

5x+25=90

Solving for x: Subtracting 25 both sides of the equation:

5x+25-25=90-25

Subtracting:

5x=65

Dividing both sides of the equation by 5:

5x/5=65/5

Dividing:

x=13

Answer: The value of x must be 13

6 0
3 years ago
Read 2 more answers
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