March 1, 2017

Homework Help: Math

Posted by mysterychicken on Friday, June 7, 2013 at 3:11pm.

1. Determine the formula for the nth term of the following sequence: 6, 14, 22, 30, 38, 46, ...
I got an = 8n - 2
Is that right?

2. The following statement is true by mathematical induction: (4/3)^n > n for all n > or equal to 6

3. To find the 6th binomial coefficient of the expansion of (x + y)^15, find the value of 15C6
Not sure...

4. In how many ways can a 10-question, true-false exam be answered (assume that no questions are skipped)?
This really tricks me. I want to say 20 but I think there are more ways

5. In how many ways can 6 people sit in a 6-passenger car?
Again, not sure...36?

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