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Musya8 [376]
2 years ago
10

How many faces does the following shape have?

Mathematics
2 answers:
Allisa [31]2 years ago
7 0
The shape has 4 faces . i hope this helps
Bingel [31]2 years ago
4 0

Answer:

5

Step-by-step explanation:

the back ones 2

the front ones 2

and the bottom one 1

5

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An item is regularly priced at $45. Josh bought it on sale for 15% off the regular price.
Mariulka [41]

15/100=x/45

675=100x

6.75=x

5 0
2 years ago
Suppose a marketing company wants to determine the current proportion of customers who click on ads on their smartphones. It was
andrezito [222]

Answer:

The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 100, p = 0.42

92% confidence level

So \alpha = 0.08, z is the value of Z that has a pvalue of 1 - \frac{0.08}{2} = 0.96, so Z = 1.75.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 1.75\sqrt{\frac{0.42*0.58}{100}} = 0.3336

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.42 - 1.75\sqrt{\frac{0.42*0.58}{100}} = 0.5064

The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).

4 0
3 years ago
Help me please I am begging y’all
cupoosta [38]
2 is the answer i think
7 0
2 years ago
Marco's dog, Spot eats 5 cups of food every 3 days. Jack'a dog. Taco eats 10 cups of food every 5 days. Is the ratio of cup to d
marysya [2.9K]
No, the ratio is not the same
4 0
3 years ago
Helppppp pleaseee????
Novosadov [1.4K]

Answer:

Lower quartile 3, median 5, Upper quartile 7

Step-by-step explanation:

First divide the data in half  1 3 4  and 6 7 7

The median is the middle between 4 and 6, so it is 5.

The lower quartile is the median in the lower half, 3

The upper quartile is the median in the upper half, 7

7 0
2 years ago
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