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jolli1 [7]
3 years ago
8

Please help! First answer that is correct wins Brainliest!​

Mathematics
2 answers:
damaskus [11]3 years ago
5 0

Answer:

yes it is. flip the triangle over it has a right side

Lady_Fox [76]3 years ago
4 0
Yes because it has a right angle
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A random sample of the amounts for 22 purchases was taken. The mean was ​$42.97​, the standard deviation was ​$22.82​, and the m
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Answer: a) 84 and b ) 2084

Step-by-step explanation:

Given : Sample standard deviation : s= $22.82

(Population standard deviation is unknown ) , so we use t-test.

Critical value or the​ 95% confidence intervals :t_{n-1}*=2.0

Formula to find the sample size :

n=(\dfrac{t^*\cdot s}{E})^2

a) E = 5

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i.e. Required sample size : n= 84

b)  E = 1

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n=(45.64)^2=2083.0096\approx2084

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2 years ago
2) Two full revolutions = how many degrees? I
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Answer:

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3 years ago
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3 years ago
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2 years ago
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