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Naily [24]
3 years ago
11

Trigonometry problems, help

Mathematics
1 answer:
VLD [36.1K]3 years ago
4 0

Answer:

Step-by-step explanation:

4. theta (angle of depression) = 66.6

5. x = 261.6ft

6. x = 84.6ft

Hope that helps :)

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Lisa used 10 centimeters of tape to wrap 5 presents. How many presents did Lisa wrap if she used 34 centimeters of tape? Assume
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Answer:

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A national organization has been working with utilities throughout the nation to find sites for large wind machines that generat
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Step-by-step explanation:

A Type I error happens when a true null hypothesis is rejected.

In this case, as the claim that want to be tested is that the average wind speed is significantly higher than 15 mph, the null hypothesis has to state the opposite: the average wind speed is equal or less than 15 mph.

Then, with this null hypothesis, the Type I error implies a rejection of the hypothesis that the average wind speed is equal or less than 15 mph. This is equivalent to say that there is evidence that the average speed is significantly higher than 15 mph.

"A Type I error in the context of this problem is to conclude that the true mean wind speed at the site is higher than 15 mph when it actually is not higher than 15 mph."

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