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Murrr4er [49]
2 years ago
8

This refers to relationships among and between variables. It has a value between -1 and 1 that indicates direction and strength.

It is usually denoted with 'r'.
Mathematics
1 answer:
madam [21]2 years ago
4 0
The Correlation Coefficient is the answer
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A circle has a sector with area 33 pi and a central angle of 11/6 pi radians. What is the area of a circle?
Mashutka [201]

Answer:

36π

Step-by-step explanation:

The area of a circle is given as:

A = \pi r^2

where r = radius of the circle

The area of a sector of a circle is given as:

A_s = \frac{\alpha }{2\pi} * \pi r^2

where α = central angle in radians

Since \pi r^2 is the area of a circle, A, this implies that:

A_s = \frac{\alpha }{360}  * A

A circle has a sector with area 33 pi and a central angle of 11/6 pi radians.

Therefore, the area of the circle, A, is:

33 \pi = \frac{\frac{11 \pi}{6} }{2 \pi} * A\\\\33\pi = \frac{11}{12} * A\\\\=> A = \frac{33\pi * 12}{11}\\ \\A = \frac{396 \pi}{11} \\\\A = 36\pi

The area of the circle is 36π.

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2 years ago
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42.5% of 59.2 is what number?
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3 years ago
Find three consecutive integers such that three times the first added to the last is 22
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Consetive integers are 1 apart
they are
x,x+1,x+2

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