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DanielleElmas [232]
3 years ago
13

Can someone help me with this

Mathematics
2 answers:
motikmotik3 years ago
7 0

Answer:

The answer would be six

Step-by-step explanation:

if p=15 then that means 15-9=6 :)

Olin [163]3 years ago
5 0

Answer:

6

Step-by-step explanation:

If p equals 15 then plug 15 in for p and take 15-9=6. pretty sure that's what they are looking for there.

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An economist conducted a study of the possible association between weekly income and weekly grocery expenditures. The particular
kolezko [41]

Answer:

42.1% of variation in the response is explained by the regression line

Step-by-step explanation:

Correlation coefficient is a measure which tells us that how strongly are two variables under study are linearly related to each other i.e correlation coefficient gives the strength of linear association between the variables.

If the magnitude of correlation coefficient is closer to 1, it indicates a strong linear relationship. If the magnitude of correlation coefficient is closer to 0, it indicates a weak linear relationship.

There is another variable known as "Coefficient of Determination", which is equal to square of Correlation Coefficient. Coefficient of Determination tells us that what percentage of variation in the response of the study can be explained by the regression line.

This means, for this question we need to calculate the Coefficient of Determination.

Correlation coefficient = r = 0.649

Coefficient of Determination = R = r² = (0.649)²= 0.421 = 42.1 %

This means that 42.1% of variation in the response is explained by the regression line.

5 0
3 years ago
F(1) = -3<br> f(n) = 2 · f(n − 1) +1<br> f(2)=
raketka [301]

Answer:

-5

Step-by-step explanation:

f(2) = 2 * f(1) + 1

f(2) = 2 * -3 + 1

f(2) = -6 + 1

f(2) = -5

6 0
3 years ago
Which is greater 6 pints or 60 fluid ounces
Nimfa-mama [501]
6 pints is greater than 60 fluid ounces because 6 fluid ounces is equal to 96 fl.
8 0
3 years ago
Read 2 more answers
The equation x^2+ (k - 3)x + (3 - 2k) = 0, where k is a constant, has two distinct real roots.
Lisa [10]

Step-by-step explanation:

For quadratic equation ax^2 + bx + c = 0 to have two distinct real roots,

b^2 - 4ac must be positive.

b^2 - 4ac > 0

(k - 3)^2 - 4(3 - 2k) > 0

k^2 - 6k + 9 - 12 + 8k > 0

k^2 + 2k - 3 > 0

4 0
2 years ago
The negative reciprocal of -5/8 is: A. -5/8 B. 5/8 C. 8/5 D. -8/5
noname [10]

Answer:

+ 8/5

Step-by-step explanation:

Reciprocal is flip

Take the negative flip

- ( - 1 /(5/8))

+ 8/5

7 0
3 years ago
Read 2 more answers
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