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Zielflug [23.3K]
3 years ago
8

In a random sample of 28 sports cars, the average annual fuel cost was $2929 and a sample standard division $786. Construct a 90

% confidence interval for the population mean. Assume the annual fuel cost are normally distributed

Mathematics
1 answer:
Aneli [31]3 years ago
7 0

Answer:

The answer is provided at the attachment

Step-by-step explanation:

The answer is provided at the attachment

Hope this helps

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Which is the value of Y in the parallelogram below?
IrinaK [193]

Answer:

9

Step-by-step explanation:

Just like a rectangle, times one length times width

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3 years ago
Find the value of y if the line through the two given points is to have the indicated slope.
Masteriza [31]
Slope is the change in y/ change in x so the equation will be:
-2= (1-y)/(-6-(-5)) -> simplify -> -2= 1-y/-1 -> multiply both sides by -1 -> 2=1-y -> simplify and -y= 1 -> y=-1 
4 0
3 years ago
What is the answer please im so anyyoned its inquatiltys and greater than less than please help
Basile [38]
Equation: 50 is greater than or equal to 45 + .5(x)

x = amount of pictures you can send without going over your budget

subtract 45 from both sides. you are left with: 5 is greater than or equal to .5(x)

multiply both sides by 2. you are left with: 10 is greater than or equal to x

Answer: 10 is greater than or equal to x
3 0
3 years ago
Which of the a-values satisfy the following inequality?<br> 7 + a &lt; 11
Zolol [24]

Answer:

a < 4

Step-by-step explanation:

7 + a < 11

Subtract 7 from each side

7+a-7 <11-7

a < 4

7 0
3 years ago
Read 2 more answers
Select the correct answer.
gtnhenbr [62]

Answer:

5 years

Step-by-step explanation:

To determine the number of years needed for the company to process a certain amount of milk, we use the given function which relates the number of years, x, and the gallons of milk, y. We simply substitute the number of gallons to y and solve for x.  

y = x^6 − 9x^4 + 70x^2

630 = x^6 − 9x^4 + 70x^2

Solving for x, we will have

x = 4.8866 years or approximately 5 years

Hope this answer helps you :)

Have a great day

Mark brainliest

7 0
3 years ago
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