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Alekssandra [29.7K]
3 years ago
9

Solve for a.

Mathematics
1 answer:
Sav [38]3 years ago
8 0
I hope this helps you a=C/8.pi.b
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A collector’s hockey card is purchased in 1990 for $5. The value increases by 6% every year.
e-lub [12.9K]
So if the cars is purchased in 1990 for five dollars and its value increases by 6% each year you would do : 5$ x 6% = .30 cents. And if its 2017 now its value would be a total of: 27 years of a .30 cent  increase each year ... 27 x .30 that would be 8.1$ + 5$ = 13.1$        Im sorry if I am wrong on this didnt get much information based on this question              
4 0
3 years ago
The electronics store would pay him $9 per hour towork 15hrs per week and 3.5% commission on his sales the average weekly sales
ryzh [129]
First, find out his wage
15 hours×$9= $135

Next find his commission
$7000×3.5%
=7000×0.035
=$245

Finally, add these together
$135+$245
=$380 He will make $380 selling electronics per week
6 0
3 years ago
an auto repair shop charges $25 an hour they say your muffler needs to be replaced for $65 it takes them 2.5 hours to fix your c
Levart [38]

Answer: $130.50

Step-by-step explanation:

2.5 hours= $25 an hour

25+25+12.50=$62.50

Muffler=$65

65plus62.50

Total= $130.50

5 0
3 years ago
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
I need help with this please
nadezda [96]

Answer:

4.5

Step-by-step explanation:


6 0
4 years ago
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