tessannvogel tessannvogel
  • 19-04-2020
  • Mathematics
contestada

if there are 39 people in a room and everyone has to shake hands with everyone exactly once, how many handshakes are there?

Respuesta :

daalonsot32
daalonsot32 daalonsot32
  • 19-04-2020

if i'm not mistaken, this means that one person has to shake 38 people's hands. so, that would be 38*39, i believe.

Answer Link

Otras preguntas

A 1,600 kg train car rolling freely on level track at 16 m/s bumps into a 1.0 × 103 kg train car moving at 10.0 m/s in the same direction, and the two latch ont
What is an algebraic expression for the following word phrase: "6 times the difference of b and p"?
Which movement reinforced important attitudes in the development of democracy through its emphasis on humanism, confidence in human potential, and the worth and
What is the mass of 0.12 mol of Mg(NO3)2? Show your work.
Figure 1 and Figure 2 are two congruent parallelograms drawn on a coordinate grid as shown. 4-quadrant coordinate grid showing two parallelograms. Figure 1 has
An unknown mass of each of the following substances, initially at 23.0, absorbs 1910 of heat. The final temperature is recorded as indicated. Find the mass of
Can elements be broken down further into other pure substances?
What are the factors of 4x2 + 13x + 3? (4x + 3)(x + 1) (4x + 1)(x + 3) (2x + 3)(2x + 1) (2x − 1)(2x − 3)
Bones are held together at the joints by connective tissue called muscles cartilage ligaments periosteum.
Which number is rational? A. –2.1010010001... B. –0.8974512... C. 1.2547569... D. 5.3333333...