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polet [3.4K]
3 years ago
15

Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas m

ileage from his last eight fill-ups; these are listed here. Conduct a test at a 10% significance level to infer whether the variability has changed.
Mathematics
1 answer:
Kamila [148]3 years ago
6 0

Answer:

Now that his car is 5 years old, he would like to know whether the variability of gas mileage has changed. He recorded the gas mileage from his last eight fill-ups; these are listed here. Conduct a test at a 10% significance level to infer whether the variability has changed.

Step-by-step explanation:

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Factor completely −5x2 + 10x − 25.
garri49 [273]
5(2x-7)

Hope this helps !

Have a great day!
3 0
2 years ago
Joey scored 697 points by collecting 17 coins. In all, how many coins does Joey have to collect to score a total of 820 points?
Oksi-84 [34.3K]

Answer:

20 coins

Step-by-step explanation:

697/17 = 41

820/41 = 20 coins

7 0
2 years ago
One weekend, a newsstand sold twice as many Sunday papers as Friday papers. The Sunday paper costs $1.50, and the Friday paper c
Fiesta28 [93]
1.50s + 0.75f = 116.25
2f = s

1.50(2f) + 0.75f = 116.25
3f + 0.75f = 116.25
3.75f = 116.25
f = 116.25/3.75
f = 31...31 friday papers

2f = s
2(31) = s
62 = s <=== 62 sunday papers
8 0
2 years ago
What is the quotient of 8/9 and 1 1/3
Art [367]
Hello,

To divide by a fraction, multiply by its reciprocal.

Solution:

8/0 x 3/11 

The greatest common factor is 3; cancel 3 out.

The problem will simplify to 8/33.



Faith xoxo
5 0
3 years ago
Plot all the points.<br><br>Plss help me on this im stuck.<br>Nonsense will be reported!!​
horrorfan [7]

Answer:

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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