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vfiekz [6]
3 years ago
11

How do I write half of the difference of a number and eleven in mathematical terms?

Mathematics
2 answers:
Ilya [14]3 years ago
8 0
(x+11)÷2 Would be how to write it, replace x with any number
olganol [36]3 years ago
5 0
(n-11)/2  You subtract a number from 11, and then divide it by 2! ;-)
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Answer:

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Step-by-step explanation:

Multiply -3 by 6.5 and you'll get your answer :)

I hope I helped!

4 0
2 years ago
a major metroplitan newspaper selected a simple random sample of 1,600 readers from their list of 100,000 subscribers. they aske
Arisa [49]

Answer:

The 99% confidence interval for the proportion of readers who would like more coverage of local news is (0.3685, 0.4315).

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 = 1600, \pi = 0.4

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 - 2.575\sqrt{\frac{0.4*0.6}{1600}} = 0.3685

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.4 + 2.575\sqrt{\frac{0.4*0.6}{1600}} = 0.4315

The 99% confidence interval for the proportion of readers who would like more coverage of local news is (0.3685, 0.4315).

7 0
2 years ago
F(x)= -1/3x+13 when value is f(-3)
almond37 [142]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Five levels were beaten so thirty levels are left so whats left to what’s beaten is 30:5

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3 years ago
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alexgriva [62]
The answer is 6.27. Hope this helps.
8 0
3 years ago
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