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

Can someone show me how to solve this? A boat took 5 hours to travel 60km up a river, against the current. The return trip took 3 hours. Find the speed of the b

could you tell me what is a genre?

how do i say have a nice day in Spanish

Moon Questions? (diagram attached)1. Approximately how many nights during the month would an observer be able to witness a waxing gibbous phase?2. A full moon o

is Radium 226 dangerous to humans?

what is the difference between ions and free electrons?

Which theory suggests that cells are the basic building blocks of life but don't constitute life itself?Cell theory or organismal theory?

w^2-4w+ ? what lake the expression a perfect square

The sum of two numbers is 30 and their difference is 2. Find the two numbers by writing and solving a system of equations

(LATIN) "Clemens in templo deae Isidis c-u-m ceteris Isiacis saepe cenabat."What is the English translation? and apparently c-u-m spells a swearword don't judge