Given that <span>the number of possible handshakes within a group of n people is given by the equation:
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Given that there are 105 people at a party, the number of possible handshakes is given by:
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I’ll answer in just a quick min
        
             
        
        
        
The answer is C for this question
        
             
        
        
        
<h3>
Answer: 
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3*sqrt(7)
3 times the square root of 7
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Explanation:
I'm assuming the V stands for square root. You can write sqrt(63).

The idea is to factor 63 in such a way that one factor is the largest perfect square possible, that way we can pull the root apart to simplify as shown above. The rule I used for the second step is 
 
        
        
        
Answer:
 ANS i don't understand o ls write full question..