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Harlamova29_29 [7]
3 years ago
13

A sample of 12 cars was taken, and the horsepower to miles per gallon was recorded. The computer output for regression is below:

Mathematics
2 answers:
yaroslaw [1]3 years ago
5 0

Answer:

From the given output, the regression equation for the line is

ycap = 46.92 - 0.20x

Option D

Grace [21]3 years ago
3 0

Answer:

ŷ = 46.92 − 0.20x

Step-by-step explanation:

I took the test and got it right

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You recently deposited $2000 in a bank account during your first year at work.
lara [203]

Answer:

A. $12,000

B. $147,000

Step-by-step explanation:

8 0
2 years ago
If (x + y)^2 = 105 and x^2 + y^2 = 65, what is the value of xy?
lesya692 [45]
\boxed { \boxed {(a + b)^2 = a^2 + 2ab + b^2}}

(x + y) ^2 = 105

x^2 + 2xy + y^2 = 105

x^2 + y^2  + 2xy = 105


\text{Given that } x^2 + y^2 = 65,

65 + 2xy = 105

2xy = 105 - 65

2xy = 40

xy = 20

\boxed { \boxed {\text{Answer: xy = 20}}}
8 0
3 years ago
Doris made 80 cookies this week. She baked 4 less than three times the total she made last week. Which equation, when solved for
sertanlavr [38]

Answer:

The equation is  3x-4=80

The value of x is 28 cookies

Step-by-step explanation:

Let

x ---->  the number of cookies she baked last week

we know that

The number of cookies she baked last week multiplied by 3 minus 4 must be equal to 80 cookies

so

The linear equation that represent this situation is

3x-4=80

solve for x

3x=80+4\\3x=84\\x=28\ cookies

3 0
3 years ago
Please help me with any of the questions
Svetlanka [38]
1.) There are 6 numbers you can roll on a standard dice: 1, 2, 3, 4, 5, 6
There are 3 odd and 3 even. Keep in mind that an odd plus an odd will always be even and an even plus an even will always equal an even. Only if you add an odd and an even will you get an odd.

The chances of getting an even sum are much higher which is why you should choose even.

3.) The formula for finding the area of an equilateral triangle is (<span>√3)/4(a^2) where a is just a side length.

Because the perimeter is 12 and each side of an equilateral triangle is equal, we can divide 12 by 3 sides and get each side is 4. Plug in 4 for a.

</span>(√3)/4(4^2) = (√3)/4(16)

Because (√3)/4 = (1 x √3)/4, 
 (√3)/4(16) is equal to (16 x √3)/4

You have to divide (16 x √3) by 4. 16/4 = 4, and you only need to divide once to.  We get 4√3 as the final answer.
7 0
3 years ago
please answer will give brainliest
Ivanshal [37]

Answer:

50 im sorry if im wrong

Step-by-step explanation:

8 0
3 years ago
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