Solve the variation problems in Exercises 7782.The loudness of a stereo speaker
Chapter 3, Problem 80(choose chapter or problem)
Solve the variation problems in Exercises 7782.The loudness of a stereo speaker, measured in decibels, variesinversely as the square of your distance from the speaker.When you are 8 feet from the speaker, the loudness is28decibels. What is the loudness when you are 4 feet fromthe speaker?
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