Seudónimo Seudónimo
  • 02-08-2020
  • Mathematics
contestada

For a class, Mrs. Hawk brought
in 7 different packages of
colored pens. The teacher
randomly selects 2 packages.
How many different
combinations are there?​

Respuesta :

WJX071116
WJX071116 WJX071116
  • 02-08-2020

Answer:

14

Step-by-step explanation:

7x2=14

Answer Link
mikayla1687 mikayla1687
  • 02-08-2020
7C2 = 7!/[2!(7-2)!] = 7!/(2x5!) = 7x6/2 = 21
Therefore there are 21 possible combinations.
Answer Link

Otras preguntas

What is 0.0076 km to cm
Spell "ghost" out loud.then spell "most" out loud.then spell "roast" out loud.what do you put in a toaster
What is the total finance charge for a $4,250 loan at 13.25% interest compounded monthly for 24 months
what creates an electric force field that moves electrons through a circuit ?a. energy source b. loadc. metal wires d. resistance
compare 9x10^4 and 3x10^2
Which of these statements describes experiences or feelings related to anxiety?
Two scientists are discussing their beliefs about something they cannot observe
What is the probability that four 13c isotopes will be adjacent to each other in benzene? g?
Rita: sí. _________ mucho ir a la escuela. y _____ miguel: sí a mí me gusta ______ también
A sunflower turns its head toward sunlight. What triggers this behavior in a sunflower?