jjonesp8qdu0 jjonesp8qdu0
  • 14-05-2018
  • Mathematics
contestada

On a skiing trip there are five people but only three pairs of skis how many different groups of three could ski

Respuesta :

MsEHolt MsEHolt
  • 26-05-2018
10 different groups can ski.

This is a combination of 5 items taken 3 at a time:
[tex]_5C_3=\frac{5!}{3!(5-3)!}=\frac{5!}{3!2!}=\frac{120}{12}=10[/tex]
Answer Link

Otras preguntas

Energy in an ecosystem flows directly from _______.
What does finer traits mean
Why was Jefferson’s election in 1800 considered a “republican revolution”?
speed of sound.. If I am travelling at 1/2 the speed of sound, and there are sounds coming from behind me and in front of me. I understand they will sound at di
Which pronoun best completes the sentence? Each of the boys had prepared ______ remarks well. A. him B. his C. he D. their
Choose the sentence that contains an adjectival prepositional phrase. A. The game begins within an hour. B. The dog ran around the table. C. The shoe store acro
Two gases are placed in a sealed flask and allowed to react. Which statement is true about the concentrations of the reactants and products when this closed sys
what is the place value 5s in 6755? can u explain pls
I am a 2 dimensional shape that has four sides. I have four 90 degree angles. I have two sets of parallel lines. I also have two sides that are one length, and
what significant event occurred in 1054 in rome?