santazid
santazid santazid
  • 04-08-2021
  • Mathematics
contestada

In a colony, there are 55 members. Every member posts a greeting card to all the
members. How many greeting cards were posted by them?
​

Respuesta :

ridmitharuka
ridmitharuka ridmitharuka
  • 04-08-2021

Answer:

55*54

=2970

Step-by-step explanation:

Answer Link

Otras preguntas

O que significa clima?
answer the nearest tens of 924
Choose the state and capital that border the eastcoast of the united states
what is the percent by mass of carbon in c10 h14 n2?
carlisle purchased one-fourth of a pound of candy at the mall. what decimal did he see on the scale
8x 8y= -48 x equals 13
Which of the following will be the solution for a two-order inequality?
Expand these: a. (x + 2)(x - 2) b. (y - 4)(y + 2)
dr un grupo de alumnos 4/6 van a participar en un concurso de danza. la mitad de ellos presentará una danza folclórica y ka otra mitad, una pieza de danza clási
African americans have fought in every major united states war. true false