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A sound wave with a frequency of 320 Hz travels through air with a velocity of 300 m/s. Calculate the wavelength
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8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?
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What percent of 18 is 24? and plz explain thx.
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A sound wave with a frequency of 320 Hz travels through air with a velocity of 300 m/s. Calculate th...
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