Posted by **Shay** on Monday, August 25, 2008 at 6:15pm.

seven people meet and shake hands with eachother- how many handshakes occur?

(second question)

using inductive reasoning, write a formula for the number of handshakes if the number of people is n

- Geometry (sorta) -
**bobpursley**, Monday, August 25, 2008 at 6:23pm
nCr = n!/(r!*(n-r)!) Think about that.

You need to go thru the reasoning. Try making a diagram with 4 folks (A,B,C,D) shaking hands

## Answer This Question

## Related Questions

- Math - seven people meet and shake hands with eachother- how many handshakes ...
- Education Psychology - Steve ponders a math problem that asks for the number of ...
- Algebra - A scientist wants to research the potential spread of germs by contact...
- Math - On the first day of school everyone wants to shake hands. How many ...
- math - If 8 people went to a party and each person shook hands at least one time...
- Math - A sociology seminar has 7 members (a) They begin each meeting with each ...
- MAth - 14 students in an Algebra class were asked to shake hands with each other...
- math - How many people were at a party if There were 105 handshakes at a party ...
- maths - Please help. Thank you Fourteen people attend a meeting. If each person ...
- math - At the faculty costume party, each teacher from Transylvania Middle ...

More Related Questions