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nekit [7.7K]
2 years ago
5

Which expression can be used to find the difference of the polynomials? (4m – 5) – (6m – 7 2n) (4m – 5) (6m 7 2n) (4m – 5) (–6m

7 2n) (4m – 5) (–6m – 7 – 2n) (4m – 5) (–6m 7 – 2n)
Mathematics
1 answer:
Ivenika [448]2 years ago
4 0
Here you go hope this helps

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The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?* O 15% O 25%
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Answer:

25

Step-by-step explanation:

The new price, $45, can be expressed as a percentage of $60 by taking it as a fraction of $60, converting to a decimal value, and multiplying by 100%. $45/$60=3/4=0.75, 0.75x100%=75%. So since 100%-75%=25%, the value was reduced by 25%.

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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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