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worty [1.4K]
3 years ago
5

As the distance of a sound wave from its source quadruples, how is the intensity changed?

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

I think its b

Step-by-step explanation:

because 4×4 is 16

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First you'll find the equation of the graphed line in slope-intercept form, y = mx+b, and then from there we'll convert it into standard form, ax+by = c.

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Start from the point farther down, the point on (5,0). Look and see how many units it takes to go up/down to where the point on (0,3) is.

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Now to solve for b, or the y-intercept, you can look on the graph to see where the point lies on the y-axis (vertical). The point lies on 3 on the y-axis, so your y-intercept is 3.

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y = (-3/5)x+(3)

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Add -3/5x to both sides.

3/5x+y = 3

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3x+5y = 15

Answer is:

C. 3x+5y = 15

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