Answer:
A= 1/12
Step-by-step explanation:
just look up your question online and click on the first link and it will tell you all the answers you need :)
The mean of a dataset is simply the sum of the elements, divided by how many elements you have.
In your case, you have a dataset of 10 elements, so we will divide by 10.
The sum of the elements is

Which implies that the average is

Which should be approximated to 8.
Answer:
An 18 sided shape.
Since the sum of the exterior angles of a polygon is 360° and an angle of the regular polygon is 20°, then 360° / 20° is the number of sides. We find the answer = 18, an octadecagon
If each person eats 3/8 lbs of roast beef, 3/8 x 5 = 15/8. Simplify that down, you need 1 and 7/8 lbs of roast beef.