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Alex17521 [72]
3 years ago
8

Had to do it to em

Mathematics
2 answers:
ohaa [14]3 years ago
6 0

Answer:

A is the correct answer

Step-by-step explanation:

When x =4 and y =-5, and you want to evaluate equation -3x+2y, you just have to apply it into the equation.

We got the equation as:

= -3x + 2y

= -3*4 + 2*(-5)

= -12 + (-10)

= -12 - 10

= -22

Hope this help you :3

oksian1 [2.3K]3 years ago
6 0

Answer:

Step-by-step explanation:

First you plug in the numbers 4 into x and -5 into y.

-3(4) + 2(-5)

-3(4) is -12, 2(-5) is -10

-12 - 10

the answer is a) -22

Hope this helped ! ;)

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abruzzese [7]

The computer regression output includes the R-squared values, and adjusted R-squared values as well as other important values

a) The equation of the least-squares regression line is \underline {\hat y = 235 \cdot x + 10835}

b) The correlation coefficient for the sample is approximately 0.351

c) The slope gives the increase in the attendance per increase in wins

Reasons:

a) From the computer regression output, we have;

The y-intercept and the slope are given in the <em>Coef</em> column

The y-intercept = 10835

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The equation of the least-squares regression line is therefore

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b) The square of the correlation coefficient, is given in the table as R-sq = 12.29% = 0.1229

Therefore, the correlation coefficient, r = √(0.1229) ≈ 0.351

The correlation coefficient for the sample, r ≈ <u>0.351</u>

c) The slope of the least squares regression line indicates that as the number of attending increases by 235 for each increase in wins

Learn more here:

brainly.com/question/2456202

8 0
2 years ago
A recipe uses 5/8 cups of vegetable oil and 2 cups of water. Write the ratio of vegtable oil to water. THEN find the value of th
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