Thursday
April 24, 2014

Homework Help: math discrete

Posted by MATH on Monday, November 28, 2011 at 4:58am.

(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?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

MATH HELP HELP HELP HELP HELP - (a)Sarah wants to make a bracelet. She needs ...
MATH HELP HELP HELP HELP HELP - (a)Sarah wants to make a bracelet. She needs ...
Math - Red and blue beads are being strung to make a bracelet. How many ...
Math (Combinatorics) - In how many ways can I place 5 different beads on a ...
Please help me - Suppose a customer brings a gold bracelet to a jeweler and asks...
Algebra 2 Linear Programming - I think this is an easy question but i just ...
Chemistry - A bracelet containing .200 mol of metal atoms is 75% gold. How many ...
Discrete Math - Directions: Find the quotient and the remainder when the first ...
Elementary Math - The temperature of a cup of coffee is a discrete or continuous...
Math - Sarah's mom made cookies for Sarah and her four friends. There's one ...

Search
Members