Step-by-step explanation:
The option is C
= 1/ 2^20 • z^15
Hope it will help :)
Answer:
-178
Step-by-step explanation:
Answer:
20.
Step-by-step explanation:
P(5,3) = 5! / 3!
= (5*4*3*2*1) / (3*2*1)
= 20.
Answer:
49 people
Step-by-step explanation:
The inequality shows that she can only invite less than 50 people, and you can not invite a fraction or decimal , so the maximum is 49.
Answer:
45 minutes in all
Step-by-step explanation: