Answer: A
Step-by-step explanation:
c - 12 > -16
c > -4
A
Answer:
Step-by-step explanation:
x^2 + 3x - 9 =0
By comparing with the equation ax^2+bx+c = 0,
we get,
a = 1, b=3, c = -9
we know the formula for x is,
x = (-b±√(b^2 - 4ac))/2a
x = (-3±√45)/2
x = (-3±3√5)/2
x = (-3+3√5)/2, (-3-3√5)/2
I think 30c+3d would be the correct answer.
This is good information, but the question part is missing. Put the question in the comments and I'll try my best to help!
Answer:A
Step-by-step explanation:this is not true