27. When musicians play together, they usually tune their instruments so that the note A above...

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27. When musicians play together, they usually tune their instruments so that the note A above middle C has frequency 440 Hz, called the concert pitch. A formula for calculating the frequency, F hertz, of a note n semitones above the concert pitch is: F = 440(3/2)" Middle C is 9 semitones below the concert pitch. What is the frequency of middle C? Give your answer to the nearest hertz, 27. When musicians play together, they usually tune their instruments so that the note A above middle C has frequency 440 Hz, called the concert pitch. A formula for calculating the frequency, F hertz, of a note n semitones above the concert pitch is: F = 440(3/2)" Middle C is 9 semitones below the concert pitch. What is the frequency of middle C? Give your answer to the nearest hertz,

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