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jonny [76]
3 years ago
12

Divide. (-1/5) divided by (-4/5) what is the quotient

Mathematics
2 answers:
worty [1.4K]3 years ago
4 0

Answer:

I believe it's 1/4

Step-by-step explanation:

mezya [45]3 years ago
4 0

i think -1/4

not entirely sure

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For a certain data set the regression equation is y = 2 + 3x. The correlation coefficient between y and x in this data set _____
lozanna [386]

Answer:

C. Must be 1

Step-by-step explanation:

The correlation coefficient of an equation represents the relation between the  two variable ( dependent and independent )

It lies between -1 to 1,

If an equation has strongly positive correlation then the value of correlation coefficient is 1,

If there is no relation then the value of correlation is 0,

If there is strongly negative relation then the value of correlation coefficient is -1,

Here, the equation is,

y = 2 + 3x

Since, the value of y is increasing with increasing the value of x,

We can say that there is strong positive relation between the variables x and y,

Hence, by the above statements,

The correlation coefficient between y and x in this data set must be 1.

Option 'C' is correct.

7 0
3 years ago
30 points for RIGHT ANSWER
juin [17]
The answer is 18 I’m pretty certain so D
8 0
2 years ago
What is the answer to this question
il63 [147K]
The ratio of the shortest sides is 12/5. Multiplying the other two sides of the smaller triangle by that ratio gives 15 and 18, so the ratios of all sides are the same. The triangles are similar.

ABC ~ ZYX

The largest/smallest scale factor is 12/5 = 2.4.
6 0
3 years ago
What is the answer ​
Gnom [1K]

Answer:

lol ty for the points

Step-by-step explanation:

4 0
3 years ago
The populations and land areas of four cities in Texas are shown.
dybincka [34]
We are given a table showing the population and the area of different cities, A, B, C and D. To calculate the population density, divide the population over the total area of the city. The following statements are true:

<span>--The population density of City B is greater than that of City C.

--City D has the lowest population density of the four cities.

</span><span>--The population density for City B can be found using the ratio 48,592 : 26.</span><span>
</span><span>
</span>
4 0
3 years ago
Read 2 more answers
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