What is your expected value of rolling a die that has 6 sides?

If you have a die that has 6 sides the expected value of the number rolled is 3.5.

Explanation:

Well 6 divided by 2 is 3 but when you add .5 to 3 it is 3.5 and that makes it even. So the answer is 3.5

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb