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The power delivered to a loudspeaker of an amplifier is 30dB,when O/P is 10mW.the input is what? Help me solve the following equation. please give me the step by step. Thanks!!? How many Floridains are ready for the Fall season and some cooler weather for a change? How many inches in 1.64 ft? Sqrt(1-2sin(3x)*sin(7x)) = sqrt(10x)?