3 years ago

Find the missing angle. Find x

Mathematics

1 answer:

dolphi86 [110]3 years ago

3 0

Answer: 20

Reason: They're opposite meaning they are the same when compared to the side

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Step-by-step explanation:

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Following are the solution to the given question:

Step-by-step explanation:

Please find the complete question in the attached file.

$H_0: \sigma^{2} \leq 0.0008\\\\H_a: \sigma^{2} > 0.0008$

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$\to x^2=\frac{(n-1)s^2}{\sigma^2}=32.6250$

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Shalnov [3]

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3 years ago

4(n-1)+2 = -23 +7n

liubo4ka [24]

Answer:

Step-by-step explanation:

4(n-1)+2 = -23 +7n

=> 4n - 4 + 2 = - 23 + 7n

=> 23 - 4 + 2 = 7n - 4n

=> 21 = 3n

$= > n = \frac{21}{3}$

=> n = 7 (Ans)

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