The Noise Level, N, in Decibels, of a Rock Concert

question 130

Multiple Choice

The noise level, N, in decibels, of a rock concert is given by , where d is the distance in meters from the concert speakers. Which of the following gives the distance, in meters, away from the speakers at which the noise is 80 decibels?

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Definitions:

Promotes

Supports or actively encourages a cause, idea, or development.

Maternal Grandmother

The mother of a person's mother, often playing a unique role in the family dynamics and heritage.

Extended Family

A family of relatives in addition to the parents, usually three or more generations living in one household.

Structure

The arrangement or organization of components that together form an entity, system, or composition.