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zalisa [80]
3 years ago
12

PLEASE HELP :(

Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

This is how weird my bbf is ;)

Step-by-step explanation:

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Explain how you used the bar model in exercise 2 to find the problem
PolarNik [594]
This question isn't relevant to this site.
8 0
4 years ago
50 POINTS .....................
Alenkinab [10]

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
Caitlin went to the store to buy school clothes .She had a store credit from from a previous return in the amount of $39.58 if s
charle [14.2K]

Answer:

each shirt costs 22.95

Step-by-step explanation:

39.58 + 52.22 = 91.80

91.80/4= $22.95 each

8 0
3 years ago
Is X+2y+3z equivalent to z+Y+Z+X+Y+Z
ASHA 777 [7]

Answer:

yes

Step-by-step explanation:

3 0
3 years ago
the first week she earned 3 times as much as she earned the second week.The second week she earned twice as much as she earned t
ser-zykov [4K]
$6. 

You can get this by dividing the original number by 3 and then the new answer by 2. 
5 0
3 years ago
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