12^2+x^2=15^2
144+x^2=225
- 144 -144
=81= 9
X=9
Answer:
x=2
y=-3
Step-by-step explanation:
Answer: B. 95.0
Step-by-step explanation:
In statistics , the famous empirical rule says that " if the data is normally distributed then 68% of the observations will be contained within standard deviations from the arithmetic mean, 95% of the observations will be contained within standard deviations from the arithmetic mean and 99.7% of the observations will be contained within standard deviations from the arithmetic mean".
Hence, B is the correct answer.
Answer:
Step-by-step explanation:
I don’t know sorry