Mathematics Homework Solutions
Problem
#127206

Combinations

A women has 9 close friends.

(a)  In how many ways can she invite five of these to dinner?  Explain/Show work.

(b)  Repeat part (a) with the added stipulation that two of her friends do not like each other so that if she invites one of them she cannot invite the other.  Explain/Show work.

(c)   Repeat part (a), assuming that the nine friends consist of five single people and 2 married couples.  If she invites a husband or wife she must invite the spouse.  Explain/Show work.


Solution Summary

Combinations are determined.

Solution
What is this?
By OTA - Overall OTA Rating
Yupei Xiong, PhD - 4.8/5
Purchase Cost Now
$2.19 CAD (was ~$3.99)
Included in Download
  • Plain text response
$2.19 Instant Download
Add to Cart
Why you can trust BrainMass.com
  • Your Information is Secure
  • Best Online Academic Help Service
  • Students find real academic Success
Related Solutions
Browse