Mathematics, 08.05.2021 01:50 aurelio1121
A spotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating the parabola x2=7y 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, 22.06.2019 00:00
Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?
Answers: 1
Mathematics, 22.06.2019 00:40
Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?
Answers: 2
Mathematics, 22.06.2019 00:40
Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?
Answers: 1
A spotlight is made by placing a strong light bulb inside a reflective paraboloid formed by rotating...
English, 23.06.2019 02:30
Mathematics, 23.06.2019 02:30
Business, 23.06.2019 02:30
Mathematics, 23.06.2019 02:30
History, 23.06.2019 02:30
Computers and Technology, 23.06.2019 02:30