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lina2011 [118]
3 years ago
15

Find all the missing measurement​

Mathematics
1 answer:
frutty [35]3 years ago
5 0

Answer:

m = 6

n = 9/2 = 4.5

Step-by-step explanation:

we are dealing with similar triangles, and you need to find the scaling factor from small to large (or vice versa).

so, the triangle with 2 and 3 as sides turns into the larger triangle with 4+2 and m+3 as sides.

so, what is the scaling factor to go from 2 to 4+2 (=6) ? the scaling factor is 3.

so, (m + 3) = 3×3

m + 3 = 9

m = 6

and now we are further growing into the large triangle.

that means the right side goes from 6 to 6+3 = 9.

the factor to go from 6 to 9 is 9/6 = 3/2.

so, n + 6 + 3 = 3/2 × (6 + 3)

n + 9 = 3/2 × 9 = 27/2

2n + 18 = 27

2n = 9

n = 9/2

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Step-by-step explanation:

A statistical question is a question for which the expected response varies. That is, we do not expect to get a single answer. Out of the given options,

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3 years ago
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iogann1982 [59]
4(2x-5)+15=11
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3 years ago
2. Correlation basics Which of the following statements about correlation are true? Check all that apply. If the correlation bet
cluponka [151]

Answer:

The correct statements are: 1, 2, 3, 4 and 5.

Step-by-step explanation:

A correlation coefficient is a mathematical measure of certain kind of correlation, in sense a statistical relationship amid two variables.

It is a statistical degree that computes the strength of the linear relationship amid the relative movements of the two variables (i.e. dependent and independent).It ranges from -1 to +1.

Positive correlation is an association amid two variables in which both variables change in the same direction.  

A positive correlation occurs when one variable declines as the other variable declines, or one variable escalates while the other escalates.

Negative correlation is a relationship amid two variables in which one variable rises as the other falls, and vice versa.

If there is any alteration in the value of one variable, the value of the other variable is altered in a fixed proportion. The correlation amid them is known as perfect correlation.

In statistics, a perfect positive correlation is represented by +1 and -1 indicates a perfect negative correlation.  

The correlation coefficient is scaleless. This implies that the value of the correlation coefficient does not changes if the scale of one or both the variables are altered.

Thus, the correct statements are: 1, 2, 3, 4 and 5.

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Answer: 38

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