What number = x
x - 3.5 = 12.7
Isolate the x, add 3.5 from both sides
x - 3.5 (+3.5) = 12.7 (+3.5)
x = 12.7 (+3.5)
x = 16.2
16.2 is your answer
hope this helps
Answer:
4/10 maybe cuz 12 divided by 30 is 0.4 and 0.4 would be 4/10
Answer:
what is your question
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
mid point of AC=((2m+2p)/2,(2n+2r)/2)=(m+p,n+r)
Answer:
The value of the test statistic is 
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, 
is the value tested at the null hypothesis, 
is the standard deviation and n is the size of the sample.
In this problem, we have that:
Then
The value of the test statistic is
