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ss7ja [257]
2 years ago
8

HELP ASAp!!! Will give brainlest. Find all solutions of the equation in the interval

Mathematics
1 answer:
love history [14]2 years ago
4 0

Answer:

7/6π, 1/6π

Step-by-step explanation:

We know that tan is sine/cosine, so cot is cosine/sine.

In this case, we know cotθ = √3

As the number is positive, using the unit circle, we now can say that the two solutions are in quadrants I and III.

Taking a look at the unit circle, we can finalize our answer.

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44.4153 rounded to nearest degree
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3 years ago
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A sample of n = 16 scores is selected from a population with LaTeX: \muμ = 80 with LaTeX: \sigmaσ = 20. On average, how much err
bagirrra123 [75]

Answer:

5

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this problem, we have that:

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s = \frac{\sigma}{\sqrt{n}} = \frac{20}{\sqrt{16}} = 5

The answer is 5.

7 0
3 years ago
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