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Math

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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?

  • Math - ,

    2 * 5 = 10

  • Math - ,

    Blob's answer is not correct.

    This is like choosing 2 of 5, which is

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

  • Math - ,

    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?

  • Math - ,

    20

  • Math - ,

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

  • Math - ,

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

  • Math - ,

    mysis is bad

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