2 answers:
Answer: 21
Step-by-step explanation: This is a combination of 7 objects taken 5 at a time
nCr = n! / r! * (n - r)!
7C5 = 7! / (5! (7-5)!)
= 7! /(5! 2!)
= (7*6*5*4*3*2*1)
-----------------------
5*4*3*2*1 * 2*1
Canceling
= 7*6/ (2*1)
= 21
21! Have a nice day and I hope this helped
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Answer:
Step-by-step explanation:
The product of a non-zero rational and an irrational number is always irrational (2)
A bc to find the ratio u have to divide them for how much 1 would be
It's 3 vertices, hope this helps!
