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Reil [10]
2 years ago
5

WILL GIVE BRAINLIEST

Mathematics
1 answer:
VLD [36.1K]2 years ago
4 0
D, x=2 !!!!!!!!!!!!!
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Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
pickupchik [31]

Answer:

the answer to the question is 13x

8 0
3 years ago
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An antique vase is worth £300 when I buy it, its value increases by 2% each year. How much will it be worth in 8 years time?
Vsevolod [243]
300 x 1.02^8 = 351.4978 = £351.50 after 8 years
7 0
2 years ago
An advertising agency that serves a major radio station wants to estimate the mean amount of time the station’s audience members
Flura [38]

Answer:

n=(\frac{1.645(45)}{5})^2 =219.18 \approx 220

So the answer for this case would be n=220 rounded up to the nearest integer

Step-by-step explanation:

Information given

\sigma = 45 represent the population deviation

ME = 5 represent the margin of error

The margin of error for the true mean is given by this formula:

ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}    (a)

And on this case we have that ME =5 and we are interested in order to find the value of n, if we solve n from equation (4) we got:

n=(\frac{z_{\alpha/2} \sigma}{ME})^2   (b)

The critical value for 90% of confidence interval now can be founded using the normal distribution. The significance level is \alpha=1-0.9=0.1 and the critical value would be z_{\alpha/2}=1.645, replacing into formula (b) we got:

n=(\frac{1.645(45)}{5})^2 =219.18 \approx 220

So the answer for this case would be n=220 rounded up to the nearest integer

5 0
3 years ago
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A number is less than 4 units from 0
Rasek [7]

A number is less than 4 units from 0

-4<x<4

8 0
3 years ago
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What is the overlap of Data Set 1 and Data Set 2?
erastovalidia [21]

Answer: Answer:

There is moderate level of overlap between the two data sets.  

Step-by-step explanation:

Overlap of data sets.

Overlap measures the degree of duplication that exists within data sets.

It is an indicator of the degree to which data are identical.

We are given two data sets in the question.

We have to find the amount of overlap in data set 1 and in data set 2.

There are 8 data points in data set 1 as shown in the image.

There are 8 data points in the data set 2 as shown in the image.

Out of the 8 data points for both data set 1 and data set 2, 5 data points overlap each other on 6, 7, 8 and 9.

Thus, we could say there is moderate level of overlap between the two data sets.

3 0
2 years ago
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