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inysia [295]
3 years ago
11

Which of the following correctly shows the distributive property?

Mathematics
1 answer:
dangina [55]3 years ago
7 0

Answer:

<h2>D. 4(x + 5) = (4)(x) + (4)(5)</h2>

Step-by-step explanation:

The distributive property: a(b + c) = ab + ac

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50 POINTS .....................
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The option (C) Mus. Apt. = -22.26 + 0.4925(IQ score) is correct because the value of slope is 0.4925 and y-intercept is -22.26.

<h3>What is the line of best fit?</h3>

A mathematical notion called the line of the best fit connects points spread throughout a graph. It's a type of linear regression that uses scatter data to figure out the best way to define the dots' relationship.

\rm m = \dfrac{n\sum xy-\sum x \sum y}{n\sum x^2 - (\sum x)^2}

\rm c = \dfrac{\sum y -m \sum x}{n}

We have data shown in the picture.

Let's suppose the regression line is:

y = mx + c

Where m is the slope of the regression line and c is the y-intercept of the line.

We can calculate the value of m and c by using the formula.

After calculating, we get:

m = 0.4925

c = -22.26

Mus. Apt. = 0.49253(IQ score) - 22.26

or

Mus. Apt. = -22.26 + 0.4925(IQ score)

Thus, the option (C) Mus. Apt. = -22.26 + 0.4925(IQ score) is correct because the value of slope is 0.4925 and y-intercept is -22.26.

Learn more about the line of best fit here:

brainly.com/question/14279419

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4 0
2 years ago
How many 1x1 unit cubes would equal the volume of the figure shown?
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D 3500 kk bye now ! :))
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H (x)=x^2+ 8x+7 , what function family does this equation belong to?
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Step-by-step explanation:

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Answer:

1. $0.99

2. $1.98

Step-by-step explanation:

1. From the question we have

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Selling price = $1.49

That is the box is discounted from $2.48 to $1.49

Therefore, amount saved = $2.48 - $1.49 = $0.99

2. The amount saved from buying a second box is hence;

2 × $0.99 = $1.98

Hence, as the number of boxes bought increases, the amount saved increases

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4 years ago
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