Math Is Fun Forum

I'd agree, except that laptops don't have a keypad (unless you hold the "fn" key down).

Nope, you're not reinventing the wheel.
Try www.coolmath.com. There's also a book out called "Great Problems And Their Mathematicians" that shows the practical applications for a lot of solutions for problems.
This website also has a lot.

However, I do agree with his claim that fake science is rampant in commercials. I always think of those commercials saying that "hair is 50% shinier using this shampoo...". How do they measure shininess (not sure if that's a real word )?

So 10=e+f and e>f. Let's focus on the first one. The pairs for e and f can be:
0,10
1,9
2,8
3,7
4,6
5,5
6,4
7,3
8,2
9,1
10,0
But since e>f, those pairs are not valid until e>5. So e>5.
EDIT: I'm assuming that he needs this to work for all real numbers. My working still works, though.

The only problem is if there's a minimum age people need to be to check exercises. Then I don't think I'd have much of a chance of getting in.

I'd be happy to check exercises (although my computation is not that great) up to Algebra II, basic trigonometry, and basic calculus.

I'm not sure what you mean. Do you mean the solution or the coefficients?

Ack! I took another look and realized that the law of cosines doesn't work here.

First, multiply 55 by 6. Add that to 1000 (10 times 100). Now divide that by 16. That's your answer.

Well, then you need trigonometry.

OK, I've got a number (unless anyone else wants to lead). Good luck!