Answer: 63.6
Step-by-step explanation:
Add all of the number together then divided by how many number you have to find your mean.
Non so che fare il primo a
Answer:
81°
Step-by-step explanation:
Please refer to the attachment(s) for explanations
Answer:
in
Step-by-step explanation:
everybody hates Chris the lottery go exit the bathroom and eat a chicken nugget and and
The factorial ! just means we multiply by every natural number less that the value so
6! =6×5×4×3×2×1= 720
for permutations we use the formula n!/(n-r)!
so we have 8!/(8-5)!=8!/3!=8×7×6×5×4
for combinations s we have n!/(n-r)!r!
so we have 12!/(12-4)!4!=12!/8!4!=12×11×10×9/4×3×2=11×10×9/2=99×5
