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Neporo4naja [7]
3 years ago
10

Please help me thank youuuuuu

Mathematics
1 answer:
xenn [34]3 years ago
8 0
First, find the arc measure BD. The arc measure is twice the central angle measure. BD should be 48*2 = 96.

The chord BC looks like it’s the diameter of the circle, so it must have a measure of 180.

From here you can find DC. The total measure of a circle is 360.
360- 96-180 = 84, so DC is 84.

DBC is 360- DC
so 360- 84 = 276.

DCB is just 360- BD
so 360- 96 = 264.
Hope this helps!
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Use a graphing calculator to find the value of the correlation coefficient r and determine if there is a strong correlation amon
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Using a calculator, the correlation coefficient is of 0.7649. Since the correlation is greater than 0.6, there is strong correlation.

<h3>What is a correlation coefficient?</h3>

  • It is an index that measures correlation between two variables, assuming values between -1 and 1.
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Using a calculator, we insert the points (x,y) to find the coefficient. In this problem, the points are given as follows:

(1, 5), (4, 8), (8, 3), (13, 10), (19, 13)

The coefficient is of 0.7649. Since the correlation is greater than 0.6, there is strong correlation.

More can be learned about correlation coefficients at brainly.com/question/25815006

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Anyone who know how to do this answer i will give you 20 Brainly points and mark the Braninllest person who get it right.
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Answer:

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same thing with our y's

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take the simplified terms and multiply them together

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