How many times does the 8 fit into the 83
2 answers:
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What we want to do first is isolate the variable. To do this we need to multiply each side by 5 to remove the fraction
5 * 5 = 5*
w
Simplify the right side
5 * w = 1w
Now simplify the left side
5 * 5 = 25
Then we get...
25 = w
There's your answer!
5 * 5 = 5*
Simplify the right side
5 *
Now simplify the left side
5 * 5 = 25
Then we get...
25 = w
There's your answer!
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.
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.