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Zepler [3.9K]
2 years ago
15

A teacher has an annual income of $41,253. The income tax rate is 15%. What is the amount of the teacher's income tax in dollars

and cents?​
Mathematics
1 answer:
DiKsa [7]2 years ago
8 0

Answer:

$6,187.95

Step-by-step explanation:

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What is 25% of 50? Is it,<br> A- 200<br> B- 10<br> C- 25<br> D- 12.5
Alexxandr [17]

Answer:

12.5

Step-by-step explanation:

50/4

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2 years ago
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How much simple interest rate would earn if had $10,000 and you were being paid 5% for 15 months?
lakkis [162]
Here is the interest equation: I=prt
Where I is interest, p is principal, r is rate and t is time(in years).
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3 years ago
A survey of 85 families showed that 36 owned at least one DVD player. Find the 99% confidence interval estimate of the true prop
attashe74 [19]

Answer:

0.424 - 2.58\sqrt{\frac{0.424(1-0.424)}{85}}=0.286

0.424 + 2.58\sqrt{\frac{0.424(1-0.424)}{85}}=0.562

The 99% confidence interval would be given by (0.286;0.562)

Step-by-step explanation:

Information given:

X= 36 represent the families owned at least one DVD player

n= 85 represent the total number of families

\hat p=\frac{36}{85}= 0.424 represent the estimated proportion of families owned at least one DVD player

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 99% of confidence, our significance level would be given by \alpha=1-0.99=0.01 and \alpha/2 =0.05. And the critical value would be given by:

z_{\alpha/2}=-2.58, z_{1-\alpha/2}=2.58

The confidence interval for the mean is given by the following formula:  

\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}

If we replace the values obtained we got:

0.424 - 2.58\sqrt{\frac{0.424(1-0.424)}{85}}=0.286

0.424 + 2.58\sqrt{\frac{0.424(1-0.424)}{85}}=0.562

The 99% confidence interval would be given by (0.286;0.562)

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How would you lable a math bar model
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Well,. you could say bees in hive + bees in garden = bees in total.
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I don't understand this!
Novosadov [1.4K]
Count the total number of objects. That is the denominator, which goes under the line. Then, only count the stars. That number is the numerator, which goes on top.
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