Answer:
s
Step-by-step explanation:
s
I think it is 0.9 I think
Answer:
1.one solution
2.no solution
3.ifinitly many
Step-by-step explanation:
Answer:
Two standard deviations
Step-by-step explanation:
The Z score is obtained using the mean and standard deviation, according to the empirical. Rule, which gives percentage of values that lie within an interval estimate in a normal distribution ;
one standard deviation lie within 68% of the mean
Two standard deviations lie within 95%
Three standard deviations lie within 99.7%
Hence, for the question given, 95% fall within 2 standard deviations of the mean
You plug in x + 8 for y in the second equation.
answer: x + x + 8 = 2
