56 different sub-committees are possible
Step-by-step explanation:
When the selection has to be made without order, combinations are used.
The formula for combination is:
Here,
Total members = n = 8
Members to be selected = r = 5
So,
Hence,
56 different sub-committees are possible
Keywords: Combinations, Selection
Learn more about combinations at:
#LearnwithBrainly
Step-by-step explanation:
There are two commonly recognized beginner methods to solve a system of equations. The first is elimination and the second is substitution. I will go over both of them here.
Substitution:
Elimination:
This method is a bit hard to explain without visual aid, but I'll try my best :)
In elimination you can subtract each value with a common variable from its counterpart in the other equation. For this example, subtract y-y to get 0, -2x - (-5x) to get 3x, and -9 - (-21) to get 12.
Thus,
Hope it helps and lmk if you need more help <3 :D