annonomus1916 annonomus1916

17-09-2020
Mathematics

contestada

Alyssa has four marbles: a red one, a blue one, a green one, and a yellow one. In how many different ways can she form a set consisting of some of the marbles if she must choose at least one marble? (In a set of chosen marbles, it does not matter in what order she chose the marbles.)

Respuesta :

haleywilson64 haleywilson64

17-09-2020

Answer:

12 possibilities

Step-by-step explanation:

The first choice can be any of the four colors. For each of these 4 first choices there are 3 second choices. Therefore there are 4 x 3 = 12 possibilities.

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