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Alex_Xolod [135]
3 years ago
5

We expect a car’s highway gas mileage to be related to its city gas mileage (in mpg). Data for all 1209 vehicles in the governme

nt’s 2016 Fuel Economy Guide give the regression linehighway mpg=7.903+(0.993×city mpg)for predicting highway mileage from city mileage.(a) What is the slope of this line? (Enter your answer rounded to three decimal places.)slope:
Mathematics
1 answer:
seropon [69]3 years ago
8 0

Step-by-step explanation:

thejwksma naanansniewkna

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Please help me ASAP!!
Sati [7]

The answer is D, i.e. the system was solved via elimination


If you multiply the first equation by 5, the system becomes


\left \{ {{-5x-10y=35} \atop {5x-6y=-3}} \right.


If you sum the two equations, you get


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3 0
3 years ago
Does anyone know this?!?.....
KATRIN_1 [288]
I believe the answer is "C"
3 0
3 years ago
10. If $5000 is invested in an account that compounds interest
Varvara68 [4.7K]

Answer:

5000 \times  {1.075}^{10}  = 10305.16

6 0
3 years ago
Dylan and Javier had the same size serving of vegetables for dinner. Dylan finished 2/3 of his vegetables. Javier ate 4/6 of his
Bond [772]
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7 0
3 years ago
Read 2 more answers
Last summers, students who worked earned an average of $80 a week with a standard deviation of $12. What percentage of students
Roman55 [17]

Answer:

  • 2.28%

Step-by-step explanation:

<u>Given:</u>

  • μ = 80
  • σ = 12
  • x = 104

<u>Find z-score:</u>

  • z = (x - μ)/σ
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Percent value corresponding to 2 as per z-table is 0.9772. This is corresponding to 97.72%.

<u>Percentage of students earned more than $104:</u>

  • 100 - 97.72 = 2.28
5 0
3 years ago
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