Answer:
The answer is "
"
Step-by-step explanation:
![\to {n_{C_{k}}} = \frac{n!}{K! (n-k)!}](https://tex.z-dn.net/?f=%5Cto%20%7Bn_%7BC_%7Bk%7D%7D%7D%20%3D%20%20%5Cfrac%7Bn%21%7D%7BK%21%20%28n-k%29%21%7D)
For Example:
if n=5 and k=2
![\to {5_{C_{2}}} = \frac{5!}{2! (5-2)!}](https://tex.z-dn.net/?f=%5Cto%20%7B5_%7BC_%7B2%7D%7D%7D%20%3D%20%20%5Cfrac%7B5%21%7D%7B2%21%20%285-2%29%21%7D)
![= \frac{5!}{2! (3)!}\\\\= \frac{5!}{2! \times 3!}\\\\= \frac{5 \times 4 \times 3 \times 2 \times 1}{2 \times 1 \times 3 \times 2 \times 1}\\\\= \frac{5 \times 4 }{2 \times 1 } \\\\= \frac{5 \times 4 }{2} \\\\= 5 \times 2 \\\\= 10 \\\\](https://tex.z-dn.net/?f=%3D%20%20%5Cfrac%7B5%21%7D%7B2%21%20%283%29%21%7D%5C%5C%5C%5C%3D%20%20%5Cfrac%7B5%21%7D%7B2%21%20%5Ctimes%203%21%7D%5C%5C%5C%5C%3D%20%20%5Cfrac%7B5%20%5Ctimes%204%20%5Ctimes%203%20%5Ctimes%202%20%5Ctimes%201%7D%7B2%20%5Ctimes%201%20%5Ctimes%203%20%5Ctimes%202%20%5Ctimes%201%7D%5C%5C%5C%5C%3D%20%20%5Cfrac%7B5%20%5Ctimes%204%20%7D%7B2%20%5Ctimes%201%20%7D%20%5C%5C%5C%5C%3D%20%20%5Cfrac%7B5%20%5Ctimes%204%20%7D%7B2%7D%20%5C%5C%5C%5C%3D%20%205%20%5Ctimes%202%20%20%5C%5C%5C%5C%3D%20%2010%20%20%5C%5C%5C%5C)
Answer:
Divide by 3 or multiply by ¹/₃, starting from 27
Step-by-step explanation:
The change between 27 to 9 is <em>either divide by 3 or minus 18</em>.
The change between 9 to 3 is <em>either divide by 3 or minus 6</em>.
From there, we can tell that only dividing by 3 is consistent.
Answer:
The answer is 8.3 W + 17.4
If you click on the image it will show you how to solve the equation and I hope this helps you.
Answer:
12
Step-by-step explanation: