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

Using this table, which group of people would have been MOST LIKELY to relocate to the West coast of the United States in the 1870's for which purpose? A) Germ
Each floor of a building is 12.1 feet tall. If the height of the building is 193.6 feet, how many floors are there
List 5 characteristics of sedimentary rocks. Use the words below to help you. Check mark each word once you use it Layers sediments coarse grained particles man
what is the value of the 2s in 42,256
what physical process could geographers track with an arrow on flow-line thematic map?
3/8 times 2/5 equals
Which is 216 written as a power of a number? A. 6^3 B. 3^6 C. 108^2 D. 72^3
write 6,735,834 in word form
What is the LCM of 72 and 84
sometimes called the simple predicate