jdonaldson2199 jdonaldson2199
  • 17-01-2018
  • Mathematics
contestada

If 40 people shake hands with each person in the class, how many handshakes

Respuesta :

magicistotesrea
magicistotesrea magicistotesrea
  • 20-01-2018
780 handshakes.
(n(n-1))/2
(40(40-1))/2
(40*39)/2
1560/2
780
Answer Link

Otras preguntas

What are the next four multiples of the fraction 3/5?
Which term best describes the molecular geometry of ethylene, C₂H₄? (A) Linear (B) Planar (C) Pyramidal (D) Octahedral (E) Trigonal
The three domains of life include a. Prokaryota b. Eukaryota c. Bacteriota d. all of the above
what were the ideals of the Renaissance and how did Italian artist and writers reflect these ideals
The atomic mass of an element is 32.07 u and its atomic number is 16. The element forms a simple ion. The ion will most likely have a charge of (A) 1– (B) 2–
How is the behavior of waves affected by a medium?
What percent of 1270 is 375?
Express the number of inches n (d) as a function of the number of yards d
George Grenville viewed the Stamp Act primarily as a means to?
what was the purpose of morgan spurlock's in doing this experiment, Super Size Me?