Yk I really don’t know what to do but I’m just saying that I’m going to be gone for a while
Answer:
6,true 7,false 8,false 9,true 10,true
Step-by-step explanation:
Answer:
1287
Step-by-step explanation:
Number of people in elevator , n = 8
Number of floors, r = 6
Since they all look alike, arrangement doesn't matter, the we use combination :
(n+r-1 r - 1) = (8+6-1 C 6-1) = 13C5
Recall:
nCr = n! / (n-r)!r!
13C5 = 13! / (13-5)!5!
13C5 = 13*12*11*10*9 / 5*4*3*2*1
= 1287
Answer:
4
Step-by-step explanation:
48 divided by 12 is 4 simple division
Answer:
He can clean 10 pools in 25 hours.
Step-by-step explanation:
