Answer:
53600x
Step-by-step explanation:
270 centimeters use
k
h
d
u
d
c
m
Answer:
1. Cluster sampling
2. When finding a fair sample
3. Simple random sampling
Answer:

Step-by-step explanation:
(x – 5)^2 + 3(x – 5) + 9 = 0
This is a quadratic equation in x - 5.
Let u = x - 5, then the quadratic equation becomes:
u^2 + 3u + 9 = 0
We can use the quadratic formula to solve for u.





Since u = x - 5, now we substitute x - 5 for u and solve for x.




Answer:
the answer is 3(t+2)
Step-by-step explanation: