Elliott19
Elliott19 Elliott19
  • 14-05-2020
  • Mathematics
contestada

There are 110 people at a meeting. They each shake hands with everyone else. How many handshakes were there?

A) Permutation

B) Combination

C) Circular permutation

Respuesta :

salatulmaghrib
salatulmaghrib salatulmaghrib
  • 14-05-2020
Each of them shakes hands with 109 others.
109*110 = 11990 handshakes were done.
Answer Link

Otras preguntas

What's 40 divided by .05
x and y is the variable 4x-7y=3 x-7y=-15 what is the answer please
61.4 is 14 percent of what
Arctic plains,called tundra,cover the northern parts of which two lands region
5. You are exploring in a cave and call out to one of your friends. You hear your echo. Which interaction of sound, (reflection, refraction or absorption), caus
what factors combined to keep workers’ wages low
All reptiles are: a. endothermic. b. ectothermic. c. hypothermic. d. none of the above.All reptiles are: a. endothermic. b. ectothermic. c. hypothermic. d. none
Why were tanks developed during World War I?
42 less than the product of 28 and an unknown number is 154
16. Put the words in order to make the correct sentence. 1) a tall, clean-shaven 2) came in 3) man with a firm, 4) the door opened and 5) serious expressio