Step-by-step explanation:
the most common measure of how much sample mean differ from each other is the standard deviation of the sampling distribution of the mean. this standard deviation is called the standard error of the mean
Answer:
5) x=10
6) x=7
7) x=3
8) x=12
Step-by-step explanation:
5) 19=2x-1
19+1=2x
20=2x
x=10
6) 3x-6=15
3x=21
x=7
7)10=2x+4
10-4=2x
6=2x
x=3
8) x+3=2x-9
3=x-9
x=12
Answer:
The answer i 9
Step-by-step explanation:
If the ball bounces 2/3 of the height of 9, and a 1/3 of 9 is 3, then 6 is the answer.
Answer:
The four operations are addition, subtraction, multiplication and division!!
Step-by-step explanation: