The mean of a set of data is the average, so when writing a conclusion or justifying a solution, instead of listing all your data you can say "the average of the data collected was _____"
1. 2 as 4 x 2 is 8 and 4 x 8 is 32 so 32 + 8 = 40
The answer is : 1/8
I hope it’s help u
Answer:

Step-by-step explanation:
Area of circle:

By using the area of a circle, we can get the area of a semicircle:

Let's convert the mixed fraction to an improper fraction and then a decimal:
=
= 
Now, we solved for the diameter, to get the radius, we need to divide the diameter by 2:

Now we have the radius, so we can plug in our values and find the area:


Answer:
square root of 72 is approximately 8.49
i hope that right!
Step-by-step explanation: