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velikii [3]
3 years ago
13

Le

Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

x4+6+7s

Step-by-step explanation:

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The owner of Maumee Ford-Mercury-Volvo wants to study the relationship between the age of a car and its selling price. Listed be
nadya68 [22]

Answer:

a= 13.15 years

b= -0.62 years/$

Step-by-step explanation:

Hello!

Given the variables

Y: Age of a used car. (years)

X: Price of a sold used car. ($000)

The linear regression model is:

E(Y)= α + βXi

The estimated equation is:

^Y= a + bXi

a= (\frac{sumY_i}{n} ) - b(\frac{sumX_i}{n} )

a= 13.15 years

b= \frac{(sumX_iY_i-\frac{(sumX_i)(sumY_i)}{n} }{sumX_i^2-(\frac{(sumX_i)^2}{n} )}

b= -0.62 years/$

Then ^Y= 13.15 - 0.62Xi

Mean Y= 8.92

Mean X= 6.91

∑Y= 107

∑Y²=1009

∑X=82.90

∑X²=615.29

∑XY=712.9

Hope it helps!

5 0
3 years ago
The sum of 5 consecutive integers is 120 what is the third number
Juliette [100K]
5 consecutive numbers that add up to 120 are:
22, 23, 24, 25, 26

As you can see the third term is 24.
The answer is 24

Hope it helps :)
4 0
3 years ago
Please help :)))))))m)))e
Arte-miy333 [17]
Its 90 because its a L shaped will means its 90
6 0
3 years ago
Read 2 more answers
Rewrite the expression without using grouping symbols.
Arte-miy333 [17]

Answer:

12x -12*17

Step-by-step explanation:

12(x – 17)

We can distribute the 12 to both terms inside the parentheses

12*x - 12*17

12x -12*17

5 0
3 years ago
Holly has watched 39% of a movie that is 122 minutes long. Which is the best estimate for the number of minutes of the movie tha
Anna007 [38]
48 minutes
39/100= 0.39x122=47.58
Welcome
5 0
3 years ago
Read 2 more answers
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