Use the value of the linear correlation coefficient r to find the coefficient of determination and the percentage ofthe total variation that can be explained by the linear relationship between the two variables. r = 0.885 (x = weight of male, y = waist size of male)

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

The coefficient of determination = $r^(2) = 0.885^(2)$ = 0.7832

It means about 78% variation in waist size of males can be explained by their weight and about 23% can not be explained.

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Answers

Answer: 11 am

hope this helps!

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide

Answers

um 12 liters i would think cause you double it

Which represents the solution(s) of the system of equations, y = x2 – 2x – 15 and y = 8x – 40? Determine the solution set algebraically.(–5, –80)
(5, 0)
(5, 0) and (–5, –80)
no solutions

Answers

Answer:

(5, 0 )

Step-by-step explanation:

Given the 2 equations

y = x² - 2x - 15 → (1)

y = 8x - 40 → (2)

Substitute y = x² - 2x - 15 into (2)

x² - 2x - 15 = 8x - 40 ( subtract 8x - 40 from both sides )

x² - 10x + 25 = 0 ← in standard form

(x - 5)² = 0 ← in factored form, thus

x - 5 = 0 ⇒ x = 5

Substitute x = 5 into (2) for corresponding value of y

y = 8(5) - 40 = 40 - 40 = 0

Solution is (5, 0 )

Answer: b

(5,0)

Step-by-step explanation:

Please Help?what is the algebraic expression for the following word phrase "6 times of the difference of b and p"

1) 6b-9

2)6(b-p)

3)6-bp

4)6bp

Answers

2) 6(b-p)
Because it’s the difference and difference is subtract

What is the product of 4xy and y2 + 2x?4xy 3 + 4xy
4xy 2 + 8x 2y
4xy 3 + 8x 2
4xy 3 + 8x 2y

Answers

The product of 4xy and y² + 2x can also be written as
4xy(y² + 2x)

When we have brackets like this, we multiply whatever is left of the brackets by everything inside.

1) 4xy multiplied by y²
    4xy x y² = 4xy³

2) 4xy multiplied by 2x
    4xy x 2x = 8x²y

3) Add together 4xy³ and 8x²y
    4xy³ + 8x²y

Yall pls answer this i will give brainliest and 10 points how about 20

Answers

Answer:

i cant see the picture

Step-by-step explanation:

Answer:

1 goes to 3a ,4 goes to 2b 3 goes to 4c and I can't see the rest

Step-by-step explanation:

I dont know I'm probably wrong tho

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