You've been doing that all this time and didn't even realize it !
Every plain old number that you ever see is a rational number.
Every equation that has plain old numbers next to the variables
is an equation with rational coefficients.
If a variable ever has (pi) or a square root or a trig function next to it,
then that's an irrational coefficient. But I'll just bet you haven't ever
seen any of these yet.
80x by 80x up and down and 64y by 64y left and right
Answer:
4 + 13y
Step-by-step explanation:
Answer:
-12x-90
Step-by-step explanation:
2x*3x=6x^2
2x*9=18x
3x*-10=-30x
18x-30x=-12x
-10*9=-90
Answer: B
Step-by-step explanation:
Lol it’s ok ::
