Mathematics, 11.05.2021 01:00 howardc1433
A spotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating the parabola x2 = y around its axis of symmetry (assume that x and
y are in units of inches). In order to have the brightest, most concentrated light beam, how far from the vertex should the bulb be placed? Express your answer as a
fraction or a decimal rounded to two decimal places.
Answers: 3
Mathematics, 21.06.2019 16:50
Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.
Answers: 2
Mathematics, 21.06.2019 19:30
You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?
Answers: 2
Mathematics, 21.06.2019 21:10
Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.
Answers: 1
A spotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating...
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