Jitterbug2361
Jitterbug2361 Jitterbug2361
  • 10-12-2020
  • Mathematics
contestada

There are 2O cities in a certain country. Every pair of cities is connected by an air route. How many air routes are there?

Respuesta :

stephenanton75 stephenanton75
  • 10-12-2020

Answer:

400

Step-by-step explanation:

Answer Link

Otras preguntas

Name the organelle of plant cells in which photosynthesis occurs
How is the location of chloroplasts consistent with the function of leaves?
When do you think that the Silver American Eagle will peak again, like it did in 2011? Do you think it would go back up? And how much do you think it will be wo
what is water harvesting
In which direction will this parabola open? x=53(y+17)^2-41
Find the distance between the pair of parallel lines, y = x-11 & y = x-7
A planet has two moons.  The first moon has an orbital period of 1.262 Earth days and an orbital radius of 2.346 x 104 km.  The second moon has an orbital radiu
x and y are two different numbers selected from the first fifty counting numbers from 1 to 50 inclusive. what is the largest value that (x+y) / (x-y) can have?
if it is 10;25 p.m. what time was it 11 hours and 55 minutes before that?
Consider the $50,000 excess cash.Assume that Gary invests the funds in a one year CD a.What is the CD s value at maturity( future calue)if it pays 10 percent(an