R rayray123 New member Joined Oct 20, 2006 Messages 1 Oct 20, 2006 #1 Forgot how to use logs: (1+0.25x) ^1.5=27....what is X? Thanks a bunch ____________________ Edited by stapel -- Reason for edit: Moving question into post
Forgot how to use logs: (1+0.25x) ^1.5=27....what is X? Thanks a bunch ____________________ Edited by stapel -- Reason for edit: Moving question into post
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Oct 20, 2006 #2 DO NOT post your question as "subject". (1 + 0.25x) ^1.5 = 27 1 + x/4 = 27^(1/1.5) x/4 = 9 - 1 x/4 = 8 x = 32 or: a = 1 + .25x a^(3/2) = 27 a = 27^(2/3) a = 9 1 + x/4 = 9 : ok?
DO NOT post your question as "subject". (1 + 0.25x) ^1.5 = 27 1 + x/4 = 27^(1/1.5) x/4 = 9 - 1 x/4 = 8 x = 32 or: a = 1 + .25x a^(3/2) = 27 a = 27^(2/3) a = 9 1 + x/4 = 9 : ok?