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3 years ago

What is the answer to 3 x 2 1/4=

Mathematics

1 answer:

azamat3 years ago

6 0

Answer:

6 3/4

Step-by-step explanation:

This is because:

If you change 2 1/4 to an improper fraction, it becomes 9/4, multiply that by 3, 27/4, simplify it and it becomes 6 3/4.

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Using the formula below or Excel, find the correlation coefficient, r, for this set of scores. Answer choices are rounded to the

RideAnS [48]

The correlation coefficient measures the relationship between the two variables

The correlation coefficient is 0.234

<h3>How to determine the correlation coefficient</h3>

The formula of correlation coefficient is:

$r = \frac{1}{n - 1} * \sum{(\frac{x - \bar x}{\sigma_x})*(\frac{y - \bar y}{\sigma_y})$

Using the dataset from the complete question, we have:

$r = \frac{1}{5 - 1} * 0.9375$

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$r = 0.234375$

Approximate

$r = 0.234$

Hence, the correlation coefficient is 0.234

Read more about correlation coefficient at:

brainly.com/question/4219149

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2 years ago

Question 2 Write the following as an algebraic expression y increased by 4

nata0808 [166]

We need to write the given statement in math terms:

y increased by 4

Recall that increased means that we are adding 4 to the previous number.

Then the mathematical expression is:

y + 4

The quantity y has been increased by 4 units.

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1 year ago