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IRISSAK [1]
3 years ago
11

What would be the missing angle?

Mathematics
1 answer:
Korvikt [17]3 years ago
6 0

x = 60°

180 - 120 = 60

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Softa [21]

Answer:

95% Confidence interval = (23.4,26.2)

Step-by-step explanation:

In this problem we have to develop a 95% CI for the mean.

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We know that for a 95% CI, the z-value is 1.96.

The CI is

M-z*\sigma/\sqrt{n}\leq\mu\leq M+z*\sigma/\sqrt{n}\\\\24.8-1.96*5/\sqrt{49}\leq\mu\leq 24.8+1.96*5/\sqrt{49}\\\\ 24.8-1.4\leq\mu\leq 24.8+1.4\\\\23.4\leq\mu\leq 26.2

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3 years ago
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hope this helps!!

3 0
3 years ago
Read 2 more answers
Select the correct answer.
adell [148]

Answer:

its c. x = -2.5 and x = -2

Step-by-step explanation:

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its c that both points covered in that line of x axis

8 0
2 years ago
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serious [3.7K]

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the third angle= 180-x-(4x+15)

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if we subtract the two other angles the result will be the measure of the last one

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