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Answered a Question in Math
There are no four odd integers with a sum of 19. This is because the sum of four odd numbers is always going to be even. Using the...

Answered a Question in Math
2+3=5

Answered a Question in Math
This problem is know as the Birthday Problem or Birthday Paradox.
Note: the above answer answers a slightly...

Answered a Question in Math
First start by simplifying the right hand side:
(3x + 2)  2(x+4)
= 3x + 2  2x  8 (multiply through second part by...

Answered a Question in Reference
Most computer related majors will include some amount of programming. A major in Information Technology will generally...

Answered a Question in Math
The key here is to remember the rule for dividing with exponents:
`x^a / x^b = x^(ab)`
Applying this rule here, we...

Answered a Question in Math
We have 11 different members we can choose from, and we want to count the number of committes consisting of 4 members. To solve this...

Answered a Question in Math
We are interested in the number of ways to choose 2 items from a set of 15 items. We use combinations for this:
15C2 =...

Answered a Question in Math
In my opinion it depends on how confident you feel in your algebra ability. PreCalculus is likely to be the more advanced version of...

Answered a Question in Math
The important thing to remember here is the order of operations
PEMDAS: parentheses, exponentiation, multiplication, addition,...
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