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Algebra 2
How is the expression log 32  log 8 written as a single logarithm? log 4 log 8 log 24 log 40
asked by Sandra on February 13, 2016 
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A log is floating on swiftly moving water. A stone is dropped from rest from a 84mhigh bridge and lands on the log as it passes under the bridge. If the log moves with a constant speed of 3.6 m/s, what is the horizontal distance
asked by Randy on September 8, 2010 
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Write expression as one logarithm and simplify if appropriate. log 3√x + log x^4  log x^3 4 log (x+3)  5 log (x^2+4) + 1/3 log y I have these who problems but I don't know where to start. HELP Please.
asked by Deb on April 17, 2013 
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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
asked by Banana on August 22, 2018

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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)=
asked by bob on March 27, 2017 
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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
asked by John Makotamo on March 14, 2013 
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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 
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

Trigonometry
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
asked by Charles on February 11, 2012 
Chemistry
The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 1014. Show all calculations leading to an answer. I got this so far : Kw = 1.219x 10^14 [H+]^2= 1.219 x 10^14 [H+]= /(1.219) x
asked by Swag on September 30, 2015 
trigonometry
find the acute anlge A, to the nearest seconds when ; A.log cos A= 9.12575 you might say that The cosine is >1, there's no real number solution. but there is . I think they mean log cos A= 9.12575 10 . okay now i don't know how
asked by Anonymous on February 19, 2011 
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
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