Answer:
The t distribution is used, because we have the standard deviation for the sample.
Step-by-step explanation:
When to use the z or the t distribution?
When we have the standard deviation for the population, we use the z distribution.
When we have the standard deviation for the sample, we use the t distribution.
In this question:
We have the standard deviation for the sample, which means that the t distribution is used.
Answer:
A. is your answer.
Step-by-step explanation:
If you look at the picture, you can see that S and T are congruent with each other.
LG and TD are not congruent along with L and D.
A. is your answer.
10+2(x)=5(x-7)
10+2(x)=5(x)-35
35+10=5(x)-2(x)
45=3(x)
45/3=x
x=15
This is more like math homework
Answer:
40 degrees!
Step-by-step explanation:
95 + 45 = 140
180 - 140 = 40
