Answer:
Simple random sampling
Step-by-step explanation:
Simple random sampling chooses at random members of the population. This allows all members an equal probability of being selected for the sample.
<span>x + 3y = 5
2x - 3y = 1
------------------add
3x = 6
x = 2
</span>x + 3y = 5
2 + 3y = 5
3y = 3
y = 1
answer x = 2 y = 1
Answer:
a(-1)^(n-1).
Step-by-step explanation:
This is a Geometric Sequence with common ratio r = -1.
The general term is a(-1)^(n-1).
Answer:-
Veritical angles or vertically opposite angles
Answer:
-23.21
Step-by-step explanation:
Edge 2021
