nailers2001 nailers2001
  • 21-06-2020
  • Mathematics
contestada

A box of colored crayons contains 9 distinct colors. In how many ways can 2 colors be chosen, assuming that the order of the colors chosen that doesnt matter?

Respuesta :

bbooobb
bbooobb bbooobb
  • 21-06-2020

Answer:

36

Step-by-step explanation:

We can use combinations

9 choose 2 =

9!/(7!*2!) = (9*8)/2 = 36

Answer Link

Otras preguntas

How do simple machines affect work?
Consider a very low (zero) friction, 5.0 kg skateboard on a ramp at an angle of 15 degrees to the horizontal. What would be the net force that would cause the a
What happens when a ray of light hits a mirror? Detailed answer please :)
Which of the following is a true statement about chloroplasts?   A. They transport glucose into the cell.
how to find the properties of 6x89?
the law of {blank} of matter states that matter can neither be created nor destroyed
How to change 0.393 into a fraction
Why do you think wegener was unable to prove the theories of continental drift and plate tectonics before his death in 1930?
which group made p the largest social class in early civilizations?
what part of speech is the word "axis"?