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In-s [12.5K]
4 years ago
7

PLZZ HELP How many quarters would you get for 21 dollars?

Mathematics
2 answers:
igomit [66]4 years ago
8 0

Answer:

84 quarters

Step-by-step explanation:

Eddi Din [679]4 years ago
4 0

Answer: 84 quarters

Step-by-step explanation: 1 dollar is 4 quarters, so if you do 4 times 21 you would get your answer. Good luck!

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The data found below measure the amounts of greenhouse gas emissions from three types of vehicles. The measurements are in tons
Y_Kistochka [10]

Answer:

1.

A. H0 :  μ1 = μ2 = μ3

Ha : μ1 ≠ 2μ ≠ μ3

2. Test Statistics = 95%

3. Critical F-Value = 3.76

4. P-Value = 2.32

5. Conclusion : Reject the null hypothesis

6. Type of vehicle does effect the amount of green house gas emissions.

Step-by-step explanation:

The correct order of the steps of a hypothesis test is given following  

1. Determine the null and alternative hypothesis.

2. Select a sample and compute the critical value F-test for the sample mean.

3. Determine the probability at which you will conclude that the sample outcome is very unlikely.

4. Make a decision about the unknown population.

These steps are performed in the given sequence to test a hypothesis.

The null hypothesis is rejected or accepted on the basis of level of significance. When the p-value is greater than level of significance we fail to reject the null hypothesis and null hypothesis is then accepted. It is not necessary that all null hypothesis will be rejected at 95% level of significance. To determine the criteria for accepting or rejecting a null hypothesis we should also consider p-value.

3 0
3 years ago
When you simplify 3^56, what number is in the ones place?
zepelin [54]
5.23347633e26 5 would be the one's place
3 0
4 years ago
Ben’s General Store is selling yarn for $.04 a foot. How many feet can you buy for $0.52?
professor190 [17]
I hope this helps you

5 0
3 years ago
Read 2 more answers
Jemima receives £5 pocket money
Lorico [155]

Answer:

51% of the money was spent, that is, 51/100. In conclusion, Jemina still has 49/100 of the money available.

Step-by-step explanation:

Since Jemima received $ 5 in pocket money, and spent $ 1.75 on a magazine and $ 0.80 on a drink, to determine the proportion of money he spent and the proportion he has left, the following calculation must be performed:

5 - (1.75 + 0.80) = X

5 - 2.55 = X

2.45 = X

5 = 100

2.55 = X

(2.55 x 100) / 5 = X

255/5 = X

51 = X

Therefore, 51% of the money was spent, that is, 51/100. In conclusion, Jemina still has 49/100 of the money available.

7 0
3 years ago
A home value increases at a rate of 2.3% per year. If you purchased a home for 192,300, what would be the value of the home in 1
stealth61 [152]

9514 1404 393

Answer:

  $241,399.09

Step-by-step explanation:

The value is increasing exponentially with a growth factor of 1.023, so it will be ...

  v(t) = 192,300×1.023^t

  v(10) = 192,300×1.023^10 ≈ 241,399.09

The value is predicted to be $241,399.09 in 10 years.

3 0
3 years ago
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