Answer:
Trigonometry can be used to measure the height of a building or mountains
Step-by-step explanation:
if you know the distance from where you observe the building and the angle of elevation you can easily find the height of the building. Similarly, if you have the value of one side and the angle of depression from the top of the building you can find and another side in the triangle, all you need to know is one side and angle of the triangle.
Answer:
5 people
Step-by-step explanation:
This is a subtraction problem.
45 - 40 = 5
Answer:
Follows are the solution to this question:
Step-by-step explanation:
the confidence level for z:


Calculating the Margin of error:


The population means estimate a 95 % confidence interval is:

The answer to number one is C
and the answer to number two is A
Answer:
Step-by-step explanation:
g(-2) = -2 -3 = -5
f(-5)= 3 - (-5)^2 = 3 - 25 = -22