Answer:
The correct answer is letter "B": You use information from a first sample for collecting a subsequent subsample for further study.
Explanation:
Multi-phase sampling is a strategy by which a large number of data under study is taken, then a subsample of that pool is taken, and after that, another smaller subsample is taken in an attempt to count with samples that best might represent the whole population. Usually, the process takes collecting two different samples, but it can be applied as many times as necessary.
Answer:
23
Step-by-step explanation:
2+2+3+4+5+6 = 23
Answer is x = 7
if u plug in 7 in the second expression, we can get 7 - y = 4, isolate y and then we get 3.
Now, plug in 7 in the first equation to get 2(7) + y = 17. that results to 14 + y = 17. isolate y again and then thats also 3.
so:
x = 7
y = 3
You tutor 9 hours and you friend tutors for 3, i believe
Answer:
She did a multiplication, i think she should have substracted both numbers to 100 and divide it by 1.25 or 1.49
Step-by-step explanation:
