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precalc
Suppose that u=log(2) and v=log(5). Find possible formulas for the following expressions in terms of u and/or v. Your answers should NOT involve any log's. a) log(0.4)= b) log(0.08)= c) log(2500)=

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This is a logs question If u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x log y) 3) 2(log x + log y) 4) log x 2 log y

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How is the expression log 32  log 8 written as a single logarithm? log 4 log 8 log 24 log 40

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solve log(7x3)+2log(5)=2+log(x+3) I've attempted to do this question and I ended up with log(73)+log(5^2)log(x+3)=2 but I don't what to do next or whether I did something wrong.

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Given that 2 log base2 (x+15)  log base2 x = 6 1.Show that x^2 34x +225 = 0 2. Hence or otherwise solve the equation 2 log base 2 (x+15)  log base 2 x =6

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If ln a=2, ln b=3, and ln c=5, evaluate the following: (a) ln(a^−2/b^4c^−3)= .9524 (b) ln(√b^−4*c^1*a^−1)= 1.739 (c) ln(a^2b^4)/ln(bc)^−2= 42.39 (d) (ln(c^−1))*(ln(a/b^3))^−4= .03507 I am getting these answers

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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!

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given that log(6)/log(a) = p and log(108)/log(a) = q , express log(3)/log(a) in terms of p and q

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Calculate without using tables or calculators log 450 and log 324 given log 2 =0.3010 and log 3 =0.4771

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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)

math
Q1:solve log(5)xlog(25)(x+10) = 0.5 Q2:If 2log(a)x=1+log(a) (7x10a) ,find x in terms of a. Q3:Find x for which 27x3^lgx = 9^1+lg(x20) Q4:Find x in terms of a and c ,given that log(√ a)(1/x)+log(a)x +log(a^2) x +log (a^4)x=c

Pre Calculus
Evaluate log b {square root of 10b}, given that log b 2 = 0.3562 and log b 5 = 0.8271 (sorry I had no clue how to type this in math format!)
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