Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

  
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

807,723 users

Find n (a).

0 votes

asked Feb 16, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

, and .

Find .

Use counting formula : .

Substitute , and in the formula.

 Solution:

.

answered Feb 17, 2015 by yamin_math Mentor

Related questions

asked Feb 16, 2015 in PRECALCULUS by anonymous
asked Oct 27, 2014 in ALGEBRA 2 by anonymous
...