(a) about 68.3%
(b) about 83.1%
(c) about 67.7%
(b) about 83.1%
(c) about 67.7%
The equation of a parabola is given. y=1/4x^2−3x+18 What are the coordinates of the focus of the parabola?
1 answer:
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Step-by-step explanation:
a)
Two of the three interior angles are known. Both are equal to 55°. This can be seen by looking closely at the picture. To find the third angle subtract the other two from 360°
b)
Do the same thing only afterward subtract the third angle from 180 to find the supplementary angle