Math

posted by Eric

Ann, Mara, Jenny, Tina, and Sue are sisters. Two of the five sisters must help their father at this business each Saturday. How many combinations of two sisters are possible?

  1. Blob

    2 * 5 = 10

  2. Reiny

    Blob's answer is not correct.

    This is like choosing 2 of 5, which is

    C(5,2) = 5!/(3!2!) = 20

  3. Kyle

    Ann, Mara, Jenny, Tina, and Sue are sisters. Two of the five sisters must help their father at his business each Saturday. How Many Combinations of two sisters are possible?

  4. Anonymous

    20

  5. Zainab

    5 sisters to fill 2 spots so 4. 5*4=20 then 20/2= 10

  6. Sinai

    Five sisters times four name pairs for each girl, gives you twenty name combinations. 5×4= 20

  7. alsdfdfdca

    mysis is bad

Respond to this Question

First Name

Your Answer

Similar Questions

  1. English

    We must truly become our brothers’ and sisters’ keepers. Is this written correctly?
  2. algebra II

    A boy says "i have as many brothers as i do sisters." His sister says i have twice as many brothers as i do sisters." How many brothers and sisters are in the family?
  3. Calculus

    Harry has 3 sisters amd 5 brothers. His sister Harriet has a S sisters and B brothers. What is the product of S and B?
  4. English

    Does anyone know a link to a site that has a list of adjectives starting with the different letters of the alphabet?
  5. English

    Subject and verb. The two sisters lived in Yorkshire England. is the subject sisters or two sisiters?
  6. Algebra

    Total age of 3 sisters is 39 Dina is 1/2 as old as Michelle and 3 years younger than Juliettte. How old are the sisters ?
  7. spelling

    what is the correct abc order for sister's sisters sisters'
  8. english ,,please check my grammar

    please help me to get the correct grammar... thank you.. my father is turning 76 and he’s still physically strong and healthy and my mother is turning 75 and she’s also doing good her life and living together.we are nine members …
  9. High Agility Math

    Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?
  10. maths

    Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?

More Similar Questions