The length of each side of octagon is 1.66 inches.
Answer:
66
Step-by-step explanation:
Use the formula for the mean of a set of numbers:
sum of the numbers
average = --------------------------------
count of numbers
Here we know that the average mark was 68, so we can write:
75 + 62 + 84 + 53 + x
average = 68 = ----------------------------------
5
or 274 + x
68 = -------------------
5
Solving for x, we multiply both sides by 5: 340 = 274 + x.
Subtracting 274 from both sides effectively isolates x:
340 = 274 + x
- 274 -274
------------------------
66 = x
The fifth student's mark was 66.
Answer is in the file below
tinyurl.com/wpazsebu
Answer:
asking 10 students wearing football jerseys each day for a week
Step-by-step explanation:
if students come to school wearing a football jersey then more than likely their favorite sport is football which means that your results will not be as accurate as the others.
