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A sound-insulating door reduces the sound level by 24 dB
- What fraction of the sound intensity passes through this door?
pl? If g (x) +2*g (1/x)=x find g (x) in term of x? Find the values of k for which the equation has two equal real solutions: x^2 + ( k - 1 )x + 1 *I got k= +/- 2* but that s wrong? Draw the Lewis structure for the conjugate base from the reaction of ethanol with a generic base (B:−).? What is the diference between the 2 kindoms Eubacteria and Archaebacteria?