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NikAS [45]
3 years ago
11

What is the solution to this equation x+12= -5

Mathematics
2 answers:
scZoUnD [109]3 years ago
5 0
-17, I think.
12 - -5 = -17
17/1 =-17
X=-17
gtnhenbr [62]3 years ago
5 0

Answer: x=-17

Step-by-step explanation: Move all terms not containing x to the right side of the equation.

Hope this helps you out.

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A survey of 865 voters in one state reveals that 408 favor approval of an issue before the legislature. Construct the 95% confid
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Answer:

The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).

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}}

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

For this problem, we have that:

n = 865, \pi = \frac{408}{865} = 0.4717

95% confidence level

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The lower limit of this interval is:

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The upper limit of this interval is:

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