Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140
D. Angel 6 because vertical is just asking what angle is on the other side of angle 3
Answer:
6 words per minute.
Step-by-step explanation:
48 divided by 8 is 6 .
Answer:
Step-by-step explanation:
information given
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
z would represent the statistic
represent the p value for the test
Hypothesis to test
We want to test if the true mean is less than 12, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
We can replace in formula (1) the info given like this:
I believe is your answer
Because u plug in -2 to all x
F(x)= (-2)^2-9(-2)+2
F(x)=4+18+2
F(x)=24