math discrete

posted by .

(a)Sarah wants to make a bracelet. She needs some beads and goes to
a shop where they sell beads in exactly 100 different colours.

i. How many ways can she pick 25 beads, each of a different colour?
ii. How many ways can she pick any 25 beads?


(b) Suppose that Sarah has picked 25 beads each of different colours.


i If Sarah arranges all of these beads in a line on the table in
front of her how many different arrangements are possible? What
about if she arranges them in a circle on the table, how many
arrangements are possible if two arrangements are considered
identical if they can be obtained from one another by rotation?


ii. If Sarah uses all of the 25 beads to make her bracelet, how many
distinct bracelets can she make ?


iii. What if she decides to make her bracelet using at least 20 of the
beads, how many distinct bracelets can she make then?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. MATH HELP HELP HELP HELP HELP

    (a)Sarah wants to make a bracelet. She needs some beads and goes to a shop where they sell beads in exactly 100 different colours. i. How many ways can she pick 25 beads, each of a different colour?
  2. MATH HELP HELP HELP HELP HELP

    (a)Sarah wants to make a bracelet. She needs some beads and goes to a shop where they sell beads in exactly 100 different colours. i. How many ways can she pick 25 beads, each of a different colour?
  3. Math

    Red and blue beads are being strung to make a bracelet. How many different bracelets can be formed it each bracelet uses exactly 5 beads?
  4. Math (Combinatorics)

    In how many ways can I place 5 different beads on a bracelet if flipping or rotating the bracelet does not change the order of the beads?
  5. math

    mollly uses 192 beads to make a necklace and a bracelet. it takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?
  6. Math

    mollly uses 192 beads to make a necklace and a bracelet. it takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?
  7. math

    Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace
  8. math

    Hey someone use 192 beads to make a necklace and bracelet it takes 5 times as many beads to make the necklace that the bracelet how much beads it take to make the necklace
  9. Math

    Raylene made a bracelet with 28 beads. She also made a necklace with twice the number of beads as the bracelet. If 1/2 of the beads on the bracelet are green and 1/4 of the beads on the necklace are green, does the bracelet, the necklace, …
  10. Wilson Elementary

    Molly uses 192 beads to make a bracelet and a necklace. It takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make a necklace. Please breakdown of step by step.

More Similar Questions