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ruslelena [56]
3 years ago
5

Please HELP solve : 4(y-3) + 9 - 3y

Mathematics
2 answers:
Alona [7]3 years ago
5 0

Answer:

y-3

Step-by-step explanation:

4(y-3) + 9 - 3y

Use distributive property for 4(y-3)

= 4y-12+9-3y

Then simplify

= 4y-3y-12+9

= y-3

amid [387]3 years ago
3 0
I hope it helps you get it right

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Answer:

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Step-by-step explanation:

Correlation coefficient is a measure which tells us that how strongly are two variables under study are linearly related to each other i.e correlation coefficient gives the strength of linear association between the variables.

If the magnitude of correlation coefficient is closer to 1, it indicates a strong linear relationship. If the magnitude of correlation coefficient is closer to 0, it indicates a weak linear relationship.

There is another variable known as "Coefficient of Determination", which is equal to square of Correlation Coefficient. Coefficient of Determination tells us that what percentage of variation in the response of the study can be explained by the regression line.

This means, for this question we need to calculate the Coefficient of Determination.

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Coefficient of Determination = R = r² = (0.649)²= 0.421 = 42.1 %

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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