Answer:
200
Step-by-step explanation:
The equation of the parabola is:

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The <em>equation </em>of a parabola of vertex (h,k) and focus (0,f) is given by:

- Vertex at the origin means that
. - Focus (0,6) means that

Thus, the equation of the parabola is:



A similar problem is given at brainly.com/question/15165354
Step-by-step explanation:
3x - 2x + 8 = 12; x=4
Now, Evaluate the value of x
3(4) - 2(4) + 8 = 12
12 - 8 + 8 = 12
12 + 0 = 12
12 = 12
Answer:13.5
Step-by-step explanation:
the answer is 13.5