Answer:
The surface area of the prism is 252 square units
Step-by-step explanation:
we know that
The surface area of the prism is equal to
where
B is the area of the base of the prism
P is the perimeter of the base
L is the length or the height of the prism
step 1
Find the area of the triangular base B
The area of triangular base B is
The perimeter of the triangular base P is
we have
substitute the values in the formula
Answer:175.36 cost
Step-by-step explanation:
8*21.92=175.36
Answer: 7 cubic meters
Step-by-step explanation:
you add
Answer: 1.467
Step-by-step explanation:
Formula of Margin of Error for (n<30):-
Given : Sample size : n= 22
Level of confidence = 0.90
Significance level : 
By using the t-distribution table ,
Critical value : 
Standard deviation: 
Then, we have
Hence, the margin of error for the confidence interval for the population mean with a 90% confidence level =1.467
I hope this helps you
25$-14$=11$ a month
6 month 6.11$=66$
