victorburlison20 victorburlison20

12-09-2018
Chemistry

contestada

t a conference, 12 members shook hands with each other before & after the meeting. How many total number of hand shakes occurred?

Respuesta :

littlelyna2love littlelyna2love

18-09-2018

N=n(n−1)÷2

For example there are 12 people he

So

N=12(12–1)÷2=132÷2=66

That's for once but they handshaked after the meeting so

66∗2=132

Hope this helps!

~LENA~

Answer Link

Otras preguntas

The function h (d) = 2d + 4.3 relates the height (h) of the water in a fountain in feet to the diameter (d) of the pipe carrying the water in inches. Find h (1.

Select the correct answer. If the parent function is f(x) = x2 and its transformed function is g(x) = 2(x − 1)2 + 2, how is the graph of g(x) transformed from t

Rearrange the following words to form complete sentences. 1. taille / une / elle / 40 / fait: 2. des/j' / acheter / adore / fringues: 3. un/ sont / vêtements /

Which two statements are true of the Caddoan Mound Builders? 1. They were likely a part of the Mississippian culture. 2, They were the first modern Native Ameri

When four times a number n is decreased by 3 it’s at most 21

A number is randomly selected from ">{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. A is represented by the event that the number picked is

Why does a sealed bag of chips expand when you take it to a higher altitude?

Explain how the literacy rate of Kenya can affect the economics of the country.

People could get prescriptions to allow them to purchase alcohol. (1 Point) True False

pls help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!