Answer:
The roots are 0, 3 and 4.
Step-by-step explanation:
x^3-7x^2-12x = 0 Take out x:
x(x^2 - 7x - 12) = 0 Factor the expression in the brackets:
x(x - 3)(x - 4) = 0
x = 0 or x - 3 = 0 or x - 4 = 0, so
The roots are 0, 3 and 4.
As fraction it would be 6/30 reduced 1/5 and as percentage 20% so 20% of the students were off.<span />
For the lateral area, don't include the base area. For the surface area, you should include it.
Answer:
Step-by-step explanation:
