Answer:
45 degrees
Step-by-step explanation:
The angle directly down from the 45 degrees angle that the problem gives, is 90 degrees. 45 + 90 equals 135 and all triangles add up to 180 degrees. To find x take 180 - 135. Or 45.
Answer:
4578.12 ft³
Step-by-step explanation:
Volume of a cylinder is: V = πr²h
Insert the information into the formula: V = (3.14)(81)(18) = 4578.12
(-3,-6) If you ever struggle remembering what axes to write first just remember- along the corridor up/down the stairs, hope this helped :D
The surveyor selects the twentieth student who enters the building. The student do not enter the building to be surveyed but for other reasons and the researcher take advantage of that and selects them. This is a form of continence sampling.
The researcher selects every twentieth student and not any other. Therefore, the sampling is systematic in nature.
Finally, students selected to participate in the survey are free to choose if to participate in he survey or not. Therefore, it is voluntary kind of sampling.
Therefore, the applicable sampling methods are convenience, systematic, and voluntary.
Answer:
3rd option
Step-by-step explanation:
