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3 years ago

Two equations are shown:

Mathematics

2 answers:

AysviL [449]3 years ago

8 0

Answer:

Both are linear.

Step-by-step explanation:

I graphed both of the equations on the graph below to show you that both of them are linear.

kondaur [170]3 years ago

6 0

Answer:

Both are linear

Step-by-step explanation:

As long as the equation can be written in y = mx + b form, then it is linear.

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For a biology project, you measure the weight in grams and the tail length in millimeters of a group of mice. The correlation is

olga nikolaevna [1]

Answer:

Step-by-step explanation:

Given that for a biology project, you measure the weight in grams and the tail length in millimeters of a group of mice.

The correlation is r = 0.9

If you had measured tail length in centimeters instead of millimeters, what would be the correlation?

For this we must understand the meaning of correlation and formula

Correlation is a measure of linear association between the two variables and always lie between -1 and 1

This is got by dividing covariance of (x,y) by product of std deviation of x and y

So because we changed the units of length correlation coefficient would not change.

It would remain the same as 0.90

8 0

3 years ago

Write the following expression in standard for a + bi<br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B6-i%7D%7B1%2Bi%7D" id="

Arte-miy333 [17]

Answer:

5/2-7/2 i or 2.5-3.5i

Step-by-step explanation:

expand the fraction remove the parenthesis and then calculate

3 0

2 years ago

THE number of bass and pike in a lake are estimated to be in the ratio of 5:3. There are approximately 500 fish in the lake.

lawyer [7]

The bass are 5
and the pike are 3

5 0

3 years ago

the area of a rectangular garden is 156 square meters. The width is 7 meters longer than one half of it's length, find length an

Lapatulllka [165]

Width is 13 and the length is 12

3 0

3 years ago

There are 1,200 students at Roosevelt middle school. There are 700 boys at the school. What percentage of the students at Roosev

Stella [2.4K]

Out of 1,200 students, 700 are boys. Therefore, the fraction would be $\frac{700}{1200}$ .

To convert this into a percentage, divide 700 by 1,200.

$\frac{700}{1200}$ = 0.583333 (or just 0.583 if you round)

Multiply 0.583 by 100 to get a percentage.

0.583 · 100 = 58.3

So, the percent of boys at the school is 58.3%.

4 0

3 years ago