59. parabolic reflector a lamp with a parabolic reflector is shown in the figure.
the bulb is placed at the focus, and the
focal diameter is 12 cm.
(a) find an equation of the parabola.
(b) find the diameter d(c, d) of the opening, 20 cm from the vertex.

59. parabolic reflector a lamp with a parabolic reflector is shown in the figure. the bu

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dorothylankford3823

12.05.2021

Mathematics

hmm im really smart it looks like it gtbd fnjkg bjrkd fbjk

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59. parabolic reflector a lamp with a parabolic reflector is shown in the figure. the bulb is placed at the focus, and thefocal diameter is 12 cm.(a) find an equation of the parabola.(b) find the diameter d(c, d) of the opening, 20 cm from the vertex.