The helicopter took off from the angle of 11°.
Which best explains whether a triangle with side lengths 2 in., 5in., and 4in. is an acute triangle?
1 answer:
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The axis of symmetry of a parabola in the form
is a vertical line
where k is the x coordinate of the vertex of the parabola.
The x coordinate of the vertex of the parabola is given by
which in your case is
So, the axis of symmetry is the line x=12.
The answer is 4
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