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podryga [215]
3 years ago
13

If the sin 30° is 1 over 2, then the cos ____° = _____. (4 points) 60° ; 1 over 2 30° ; square root 2 over 2 60° ; square root 3

over 2 30° ; 1
Mathematics
2 answers:
sineoko [7]3 years ago
7 0

Answer:

1/2

Step-by-step explanation:

umka21 [38]3 years ago
5 0

Step-by-step explanation:

\sin 30 \degree =  \cos 60 \degree = \frac{1}{2}  \\

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You can find out an improper fraction by simply multiplying the denominator by the front number and adding the answer to you numerator
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3 years ago
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coldgirl [10]

Considering that the hypothesis test found an statistically significant result, it is found that the correct option is:

c. probability of obtaining this finding by chance alone is less than some quantity.

<h3>What is an hypothesis test?</h3>
  • When a hypothesis test, there are two hypothesis, the null and the alternative hypothesis.
  • There is also a significance level.
  • If the probability of obtaining the finding by chance is less than the significant value, the result is statistically significant.

Hence, according to these bullet points, option C is correct.

You can learn more about hypothesis tests at brainly.com/question/16313918

7 0
3 years ago
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Step2247 [10]

Answer:

Mikaya and Olivia are correct to be suspicious

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But, The sum of all angles of the triangle that Zuri solved = 93 + 63 + 36 = 192 ≠ 180

So, Zuri is wrong

8 0
3 years ago
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svetlana [45]

Answer:

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The one of n! ( factorial ) is factorised up to n∞ hence has infinity operations.

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3 years ago
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