Answer:
12-2(n-1).
Step-by-step explanation:
It can be written 12-2n+2=14-2n, so that when n=1, the 1st term is 14-2=12. The 5th term is 14-10=4; the 6th is 14-12=2.
Answer:
Step-by-step explanation:
Given that there are 15 people and they should be divided into two groups one with 10 and the other with 5 people.
First group 10 persons can be selected from 15 in 15C10 ways.
Remaining 5 would automatically be put in group 2.
Hence no of ways ![= 15C5 =\frac{15!}[10!5!} \\=3003](https://tex.z-dn.net/?f=%3D%2015C5%20%3D%5Cfrac%7B15%21%7D%5B10%215%21%7D%20%5C%5C%3D3003)
I believe the answer is -4
Answer:
6
Step-by-step explanation:
21 divided by 3.50 is 6.
Answer:
They are all right. They all equal what the sum is.
Step-by-step explanation: