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

Which civilization depicted in the map remains largely a mystery to historians due to its yet untranslatable written language? Arabian Bar of Brampal O Indus Ri
Which of the following is NOT a responsibility of the Finance department? A.Obtaining needed funds B.Managing the use of company funds C.Establishing external r
Name TWO disorders that may occur within this body system and discuss cause/diagnosis/treatmentHelp plz
2/3=(x+7)/3x Its for my summer math, and I have forgot how to do these types of problems. please help 30 POINTS!!
Critically discuss the theme of love versus self-interest in Macbeth
Name two forms of energy usually used at homes?
What should I write?​
Topic: The Dutch ,Khoikhoi and San during the DEIC period(1652-1795)Question: Discuss the intergroup relation between the Dutch,San and the Khoikhoi at the Cape
Can someone help me on this ASAP it’s very tricky
Which was an Aryan religious text? O A Torah B. Varnas C. Rig Veda O D. Sudras