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Marysya12 [62]
3 years ago
11

Please help, i am very confused the answer has to be like 6π so ignore the π

Mathematics
1 answer:
Mice21 [21]3 years ago
6 0
The equation for surface area is: A= \pi r(r+ \sqrt{h^2+r^2}. To get r, you must use Pythagorean theorem. r is found to be 45. This means after you plug it in, you get about 13571.68
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Answer:

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Step-by-step explanation:

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2 years ago
If you use a 0.10 level of significance in a two-tail hypothesis test, what is your decision rule for rejecting a null hypothesi
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Answer:

Our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.

Step-by-step explanation:

The hypotheses would be;

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Since it's two - tailed at 0.1 level of significance, then each tail will contain 5% or 0.05. From the z-table attached, the corresponding critical value of 0.05 is approximately 1.645 standard deviations from the mean.

Thus, our decision rule will be to reject The null hypothesis H0 if the test statistic is less than -1.645, or if it is greater than +1.645.

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3 years ago
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lidiya [134]

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Step-by-step explanation:

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