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telo118 [61]
3 years ago
10

If two variables were completely correlated, their correlation coefficient would be:

Mathematics
1 answer:
meriva3 years ago
7 0
<span>Pearson's correlation coefficient 'r' measures the degree to which two variables are correlated. The value is between -1 and 1. Negative values correspond to negative correlation (as one variable increases, the other variable decreases) whereas positive values correspond to positive correlation. The larger the absolute value of r, the closer a correlation graph resembles a set of points on the same line. Therefore, if two variables are completely correlated, the correlation value is 1 or -1, depending on whether the correlation is positive or negative.</span>
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In a multi-digit number, the number place that a digit is in determines it's?
slavikrds [6]

Answer:

PLACE VALUE

Step-by-step explanation:

To Find:in a multi-digit number, the number place that a digit is in determines it's?

Solution :

The number place that a digit is in determines it's PLACE VALUE

Definition of place value : Place value can be defined as the value represented by a digit in a number on the basis of its position in the number.

Thus in a multi-digit number, the number place that a digit is in determines it's PLACE VALUE.

Eg . 389

Since the digit 8 is on tens place

So, it makes us to determine its place value

Place value of 8 is 80

Hence in a multi-digit number, the number place that a digit is in determines it's PLACE VALUE.

8 0
3 years ago
I need help asap!<br> :)
Norma-Jean [14]

Answer:

F^-1(x)=0.125x-0.125

Step-by-step explanation:

Y=8x+1

X=8y+1

8y=x-1

Y=0.125x-0.125

3 0
3 years ago
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Given vector u= (3,-5) and the graph of vector v, find v-4u and express the results in terms of i and j
Pani-rosa [81]
Answer: 22j

Explanation:

1) From the graph you can calculate the vector v as folllows:

Translation of the extreme (-5,0) to the origin (0,0) implies add 5 units to - 5.

Then, add 5 units to the x-coordinate of the other extreme: 7 + 5 = 12; and keep the y-coordinate, which is 2.

Therefore, the coordinates of the vector v are (12,2)

2) Now you can find the vector v - 4u applying the operations to the coordinates of the two vectors:

v - 4u = (12,2) - 4(3, -5) = (12,2) - (12,-20) = (12 - 12, 2 + 20) = (0,22)

3) Changing the notation in terms to i, j; that is  0i + 22j = 22j
4 0
3 years ago
Write the scientific notation for 127.5. Please! And tell me how so I can learn too. ​
Serhud [2]
1.275 x 10 to the second power

In scientific notation, you move the decimal place until you have a number between 1 and 10. Then you add a power of ten that tells how many places you moved the decimal. In scientific notation, so 127.5 becomes 1.275 x 10 to the second power.

Source: https://www.infoplease.com/math-science/mathematics/numbers-formulas/scientific-notation
3 0
3 years ago
3 is subtracted from the cube of a number.​
Kay [80]

Answer:

4

Step-by-step explanation:

6 0
3 years ago
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