You would add all the sides together
When you decrease 20 to 11,the decrease is 9
the percentage decrease is
(9/20)*100
=9*100/20
=9*5
=45%
Answer:
37.68 cm
Step-by-step explanation:
3.14 * 12 = 37.68
Hope this helps!
<em>please mark brainliest!!!!!</em>
Step-by-step explanation:
it is unbiased because the people are chosen at random
Answer:
Possible committee structures = 293930
Step-by-step explanation:
The combination expression is used here
²¹C₉ = 21!/(9!(21−9)!) = 293930
