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math
Logarithm!!! Select all of the following that are true statements: (a) log(2x) = log(2) + log(x) (b) log(3x) = 3 log(x) (c) log(12y) = 2 log(2) + log(3y) (d) log(5y) = log(20y) – log(4) (e) log(x) = log(5x) – log(5) (f) ln(25)
asked by Simon on April 16, 2010 
Mathematics
Prove that log a, log ar, log ar^2 is an a.p. Is the following below correct? Log ar^2  Log ar= Log ar  Log a hence applying laws of logarithm Log(ar^2/ar) = log(ar/a) Log and log cancels out and then crossmultiply hence a^2r^2
asked by Anonymous on July 15, 2009 
Algebra 2
solve for x: 3^2x+3=7^x+1 I did 2x+3=log0f3(7)+ logof3(7) (2log of 3(7))x=log of 3(7)3 x=log of 3 (7)+log of 3 (3^3)/log 0f 3 (3^2)log of 3 (7) x=log of 3 (71/3^3)/log of 3(9/7) log of 3(7/27)/log of 3(9/7) answer log of
asked by sara on March 3, 2019 
math
write as a single logarithm: 2logbase3(1/x)+(1/3)logbase3(square root of x) please show the steps to solving this. thanx. remember that 1 log (AxB) = log A + Log B (same base) 2 log (A/B) = log A  log B 3 log A^n = n log A use
asked by michelle on February 25, 2007 
Algebra 2 once more
I have more answers that I would like checked. Also, there is one that I'm really confused about. I appreciate any help. :) Rewrite as the log of a single number. 1) 8 ln 2 = ln(2^8) 2) log 42  log 6 = log 36 (I think this one
asked by Lindsay on May 23, 2007 
Algebra 2
how do not understand how to do this Log X + Lob (X3) = 1 I know I do this Log X(X3)=1 then I do this Log X^(2)  3X = 1 then I do this 2 Log (X3X) = 1 then 2 Log (2X) = 1 then (2 Log (2X) = 1)(1/2) Log (2X) = 1/2 then (Log
asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!! on February 25, 2009 
chemistry
The definition of pH is: pH = log 10[H^+] what is the defintion of the [OH^]... is it pOH = log 10[OH^]? Yes!! pH =  log10 anything. pKa = log Ka Pkb = log Kb pKw = log Kw = 14 PKsp = log Ksp (solubility product) and so
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Physics
Air resistance acting on a falling body can be taken into account by the approximate relation for the acceleration. a= dv/dt= gkv, where k is a constant. A) Derive a formula for the velocity of the body as a function of time
asked by David S. on November 7, 2006 
math(Please help)
1) use the properties of logarithms to simplify the logarithmic expression. log base 10 (9/300) log  log 300 log 9 = 2 log 3 log 300 = log 3 + log 100 = log 3+2 I just do not know how to put these together now!
asked by Hannah on February 10, 2010 
Precaculculus
Suppose you are told that log(2)=0.3562 and log(3)=0.5646. All of them with the base of 'a'. Find: i) log(6) ii) log(9) Solutions i) log(6)= log (3)(2) = log 3 + log 2 = 0.5646 + 0.3562 = 0.9208 ii)log(9)= log 3^2 = 2 log 3 = 2
asked by Aron on August 3, 2015