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Nookie1986 [14]
3 years ago
15

Write an equation and identify the r value

Mathematics
1 answer:
aliya0001 [1]3 years ago
3 0

Answer:

3)

i) f(x)=1.1x+0.3

ii) r=1

4)

i) y=2.5825x+1.4369

ii) r=0.9823

Step-by-step explanation:

We perform a simple linear regression analysis in megastat software to determine the line of best fit for both relations and their associated correlation coefficients.

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Elena-2011 [213]

In this question we already know the value of 'b' so put the value b=2 in the equation

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4 0
4 years ago
Use an algebraic equation to find the measures of the two angles described below. begin by letting x represent the degree measur
Lina20 [59]
Two angles are said to be supplement when their measure add up to 180 degrees.

Assume that the angle we are looking for is a and its supplement is s (I used s instead of x).

a + s = 180
a = 180 - s ......> equation I

We know that <span>the measure of the angle is eight times greater than its supplement.
This means that:
a = 8s ......> equation II

Substitute by equation II in equation I to get s as follows:
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Substitute in equation I to get the measure of the angle as follows:
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Based on these calculations:
The measure of the angle is 160 degrees
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4 years ago
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