A bird is sitting on top of a ten foot pole looking at a piece of bread that is 30 feet from the base of the pole. What is the a
ngle of depression from the bird to the piece of bread.
1 answer:
Answer: The angle of depression is 18.3 degrees
Step-by-step explanation:
The scenario is illustrated in the attached photo
A right angle triangle ABC is formed. The angle of depression, theta forms an alternate angle of # on the ground. To determine the angle, #, we would apply trigonometric ratio
Tan# = opposite side / adjacent side
Opposite side = BC = 10 feets
Adjacent side = AB = 30 feets
Tan # = 10/30 = 0.33
# = tan^-1(0.33)
# = 18.2629
Approximately 18.3 degrees
Since # is alternate to the angle of depression, it means that they are equal. So
The angle of depression is 18.3 degrees
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Answer:
c) H0 : p = 5.8%
H1 : p > 5.8%
Step-by-step explanation:
At the null hypothesis, we test that the percentage is equal to a certain value. At the alternate hypothesis, we have a test about this percentage, if it is more, less, or different from the tested value.
A psychologist claims that more than 5.8 percent of the population suffers from professional problems due to extreme shyness
At the null hypothesis, we test if the percentage is 5.8%
At the alternate hypothesis, we test if this percentage is more than 5.8%. So
This means that the correct answer is given by option c.