document.write( "Question 1162782: 4.3093 = -(ln(ln T/(T-1)) solve for T? \n" ); document.write( "
Algebra.Com's Answer #786665 by Theo(13342)![]() ![]() You can put this solution on YOUR website! monster problem, but i think i have it. \n" ); document.write( "the formula to solve is: \n" ); document.write( "4.3093 = -ln(ln(T/(T-1))) which can be shown as 4.3093 = \n" ); document.write( "to begin with, i let x = ln(T/(T-1)) \n" ); document.write( "the equation became: \n" ); document.write( "4.3093 = -ln(x) \n" ); document.write( "i solved for ln(x) to get ln(x) = -4.3093. \n" ); document.write( "this is true if and only if e^(-4.3093) = x \n" ); document.write( "this made x = .0134429564. \n" ); document.write( "since x = that, and since x = ln(T/(T-1)), then i got: \n" ); document.write( "ln(T/(T-1)) = .0134429564. \n" ); document.write( "this is true if and only if T/(T-1) = e^.0134429564 = 1.013533719. \n" ); document.write( "i multiplied both side of the equation by (T-1) to get: \n" ); document.write( "T = 1.013533719 * (T - 1) \n" ); document.write( "this was simplified to: \n" ); document.write( "T = 1.013533719 * T - 1.013553719 \n" ); document.write( "i added 1.0135533719 to both side of the equation and i subtracted T from both side of the equation to get: \n" ); document.write( "1.013553719 = 1.013533719 * T - T \n" ); document.write( "i factored out T in the right side of the equation to get: \n" ); document.write( "1.013553719 = T * (1.0135533719 - 1) \n" ); document.write( "i simplified to get: \n" ); document.write( "1.013553719 = T * .0135533719 \n" ); document.write( "i solved for T to get: \n" ); document.write( "T = 1.013553719 / .0135533719 = 74.88951907\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if i did this correctly, this should be my answer. \n" ); document.write( "to confirm, i replaced T in the original equation to see what the result would be. \n" ); document.write( "the original equation was: \n" ); document.write( "4.3093 = -ln(ln(T/(T-1))) \n" ); document.write( "replacing T with 74.88951907, the equation becomes: \n" ); document.write( "4.3093 = -ln(ln( 74.88951907/( 74.88951907-1))) \n" ); document.write( "this becomes 4.3093 = 4.3093, confirming the value of T is correct.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |