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Kazeer [188]
3 years ago
7

Determine the period.

Mathematics
1 answer:
Rainbow [258]3 years ago
3 0

Answer:

20

Step-by-step explanation:

There are ten steps between two neutral line crossings. Two adjacent crossings represent half of a wavelength

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kondor19780726 [428]

<u>Answer</u>

y = (1/2)x - 1


<u>Explanation</u>

The first step is to get the gradient of the line.

The two points in the line are; (2,0) and (-2, -2).

Gradient = (-2 - 0)/(-2, - 2)

                = -2/-4

                 = 1/2

To get the function we use one of the point (2,0) and a general point (x,y).

1/2 = (y - 0)/(x - 2)

1/2 = y/(x - 2)

(x - 2) = 2y

2y = x - 2

y = (1/2)x - 1

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