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dlinn [17]
3 years ago
7

Subtract.

Mathematics
2 answers:
Verdich [7]3 years ago
6 0
The answer is negative 6. Hope it helps :)
JulsSmile [24]3 years ago
5 0
No there is not I used a calculator it is A. 22 okay
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A spring coat that cost $60.00 was marked up 20% of the cost. What was the price increase?
Irina18 [472]

The price increase was $12.  

  60

x 0.2  

---------

  12


Hope this helped!

7 0
3 years ago
Read 2 more answers
Among 320 randomly selected airline travelers, the mean number of hours spent travelling per year is 24 hours and the standard d
Ostrovityanka [42]

The margin of error of the random selection is 0.29

The given parameters are:

n = 320 --- the sample size

\sigma = 2.9 --- the standard deviation

\bar x = 24 --- the mean

\alpha = 90\% --- the confidence level.

The margin of error (E) is calculated as follows:

E = z \times \sqrt{\frac{\sigma^2}{n}}

So, we have:

E = z \times \sqrt{\frac{3.2^2}{320}}

E = z \times \sqrt{\frac{10.24}{320}}

The z-value for 90% confidence level is 1.645.

Substitute 1.645 for z

E = 1.645 \times \sqrt{\frac{10.24}{320}}

E = 1.645 \times \sqrt{0.032}

Take square roots

E = 1.645 \times 0.1789

Multiply

E = 0.2943

Approximate

E = 0.29

Hence, the margin of error is 0.29

Read more about margin of error at:

brainly.com/question/14396648

5 0
2 years ago
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Noah bought 5 CDs and a DVD for a total of $57. The DVD cost $12. The CDs were each the same price. How much did Noah pay for ea
raketka [301]
I believe $11.4 not sure
7 0
3 years ago
Let P be a point not on line k Let p be the image of P after a reflection about the line K and let A any point on line k. Determ
Alexus [3.1K]

Answer: true false some true

Step-by-step explanation:

5 0
3 years ago
What is the percentage 33% of $145.00
yan [13]

Answer:

47.85

Step-by-step explanation:

33% of 145

of means multiply

Changing to decimal form

.33* 145

47.85

5 0
3 years ago
Read 2 more answers
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