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3 years ago

The raitio in simplest form 12:3

Mathematics

1 answer:

pychu [463]3 years ago

4 0

Answer:

4:1

Step-by-step explanation:

you can take the smaller number and divide it by the larger number in this ratio, and the lowest number that you can have is a 1 so this is the only answer that makes any sense.

<h2>Please mark me the brainliest!!</h2>

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Answer:

The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.

Step-by-step explanation:

We have to calculate the minimum sample size n needed to have a margin of error below 0.14.

The critical value of z for a 95% confidence interval is z=1.96.

To do that, we use the margin of error formula in function of n:

$MOE=\dfrac{z\cdot \sigma}{\sqrt{n}}\\\\\\n=\left(\dfrac{z\cdot \sigma}{MOE}\right)^2=\left(\dfrac{1.96\cdot 1.7}{0.14}\right)^2=(23.8)^2=566.42\approx 567$

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2 years ago

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The correct answer for this question is this one:
<span>- A adjacent angles
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The relationship that describes angle 1 and angle 2 is that they are adjacent angles -- at the same time they are also supplementary angles.</span>
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