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

How do I simplify (4x^-2y^4/2x^3y^-2)2 ????
Help with this geometry question, thank you . Only answer if your sure , thank you again
Does iron rust? I need to have this question answered for my science class
1/7(14-7p)-2=-2(1/2p+3)+3
Missing numbrr of unit rate for 32/8= ?/1 and 21/7= ?/1
Oscar and Julie Ashton are celebrating their 15th anniversary by having a reception at a local reception hall. They have budgeted $2,000 for their reception. I
What do the two paragraphs of the memoir reveal about the authors purpose
Is an Argon atom likely to form a bond? Why or why not?
if Anna walled for 5 miles and then turned around and went back what is her displacement?
What feature if a confederal system did the confederate state of America most want