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Precalculus
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Loudness of Sound The loudness L of a sound (measured in decibels, dB) is inversely proportional to the square of the distance d from the source of the sound.
Find the constant of proportionality if a person 10 ft from a lawn mower experiences a sound level of 70 dB.

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Jamar Ferry
Jamar FerryLv2
29 May 2020

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