(1/5)s = 5
s = 5:(1/5) = 5*5 = 25
The measure of the fourth angel is 87°
Assume the parabola is placed on a graph where the x-axis is the top of the dish.
The vertex is then at (0,-30) The x-intercepts or zeros are at (-30,0) and (30,0)
The equation of such parabola would be:

Plug in vertex to find value of 'a'

Now find the focus given that


Answer: the microphone should be placed 7.5 inches from vertex.
Answer:-
So if ur question merely includes addition and subtraction operations then it’s “32”
Answer:
cant see the image
Step-by-step explanation: