Mathematics, 05.05.2020 05:17 Krch1401
The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 40 inches wide and 20 inches deep, how far from the vertex should the microphone be placed?
a) 4 inches
b) 5 inches
c) 8 inches
d) 10 inches
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem
Answers: 1
Mathematics, 21.06.2019 22:00
Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9
Answers: 2
Mathematics, 22.06.2019 03:30
If bradley saves for 4 weeks, what is the total amount of money he will have saved?
Answers: 1
Mathematics, 22.06.2019 05:10
What is the value of g(8) for the function g(x) in part c? what does this value mean in the context of the situation you described in part c?
Answers: 1
You know the right answer?
The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The mi...
Questions
Mathematics, 21.02.2020 03:31
History, 21.02.2020 03:32
Biology, 21.02.2020 03:32
Mathematics, 21.02.2020 03:32
History, 21.02.2020 03:32
Computers and Technology, 21.02.2020 03:32
Biology, 21.02.2020 03:32
Mathematics, 21.02.2020 03:32
