172.9
You find it by multiplying each side of the triangle by the height (9) and adding the results together.
A(lateral) = 8 * 9.1 + 3 * 9.1 + 8 * 9.1
= 72.8 + 27.3 + 72.8
= 172.9
Answer:
40k+45m
Step-by-step explanation:
5(8k)=40k + 5(9m)= 45m
Answer:
The farmers daughter watch the lazy cows because the farmers daughter liked to see the meat loaf.
Answer:
The standard error of the sample mean is _17.677_ psi.
Step-by-step explanation:
<u>Explanation</u>:-
A random sample of n = 8 specimens is collected.
Given sample size is n = 8
Given mean of the population 'μ' = 2500 psi
standard deviation 'σ' = 50 psi
Let x⁻ is the mean of the observed sample
Standard error of the sample mean =
...(i)
Given Population of standard error (S.D) 'σ' = 50 psi
Now substitute all values in (i)

<u>Conclusion</u>:-
The standard error of the sample mean is _17.677psi.