A percent beacause it can be more beneficial and alot more exact
We need to know this:
If Δ > 0 we have two and different solutions
If Δ = 0 we just one solution
If Δ < 0 we don't have real solutions
side, s = 1/3ft
area, a = 6s^2
a = 6 × (1/3)^2 = 6/9 = 2/3 sq ft
Answer:
The number 3,822 is divisible by 3 and is not divisible by 9, because the sum of the digits is 3 + 8 + 2 + 2, which equals 15, and 15 is divisible by 3 but not by 9.