Answer:
mean=average which means you add all of the numbers and divide by the number of numbers there are, which sounds pretty confusing, but i'll show you! 9+7+11+10+8=45, now you divide 45 by 5, which is how many numbers there are that we had to add. 45 divided by 5 is 9, which means the MEAN/average is 9!
Step-by-step explanation:
hope this helps!
He has 21 classmates, you know this by, taking 17.5 and dividing it by the 5/6. This leading to get you 21.
Answer:
12 3/4, 12.7, 12/5
Step-by-step explanation:
12 3/4 = 12.75
12 3/5 = 12.6
22.4/4 = 5.6 cm
5.6^2 = 31.36 cm^2 per side
Since the later surface area only counts for 4/6 sides on the cube, (31.36)(4) = 125.44 cm^2
