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

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 you write 6/25 as a decimal

When researchers ask long term couples about turning points that were especially meaningful, which type did most people select?

When a p-n-p transistor is operated in saturation region, then its ___________

Christopher is designing a rectangular fence to go around his school's chicken coop The length should be 2 ft longer than the width Christopher marks two vertic

Show the difference in the reactivity of Na,Ca,Mg,Al,Fe,Cu with H2O

After being arranged and simplified which of the following equations could be solved using the quadratic formula?

x = 3 - 3y x + 3y = -6 please explain too

subtract -11 from -7

Bill wants to give Maria a $500,000 gift in seven years. If money is worth 6% compounded semiannually, what is Maria's gift worth today

The zone of the ocean where no light can penetrate is known as the zone. A. twilight B. dysphotic C. euphotic D. aphotic