445 Answered Questions for the topic Logarithms

Logarithms

04/17/16

Solve for R
log5(7r-7)=log5(r^2+5)
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Logarithms

04/17/16

Condense the following
2(log5(18)-log5(3)) +1/2log5 1/16
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Logarithms

04/15/16

Logarithms
1. Use the properties of logarithms and transformations to describe how the graph of g(x)=ln(e^2x) 2. Simplify: log(1-1/x)-log(1+1/x)   I need help with these two problems. Could you help... more
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Logarithms

04/04/16

How do I solve log base 10 square root 2
I have a calculus assignment and this is one of the questions, but I am not allowed a calculator.
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Logarithms

04/02/16

What is ln e? Need help solving these
Hi, I have no idea what ln e means. I know ln stands for natural log. These are the equations I need help with :    lne2x+7 = -8    and      ln(1/e)x2 = 3 
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Logarithms

03/30/16

solve: for x and y
0.30  = log(x)   0.30 = ln(y)   log(1.3)=   ln(1.3)=
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03/15/16

expand log(6x^3y^6)
 I"M DYING
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Logarithms

03/13/16

I need help with this as i dont understand how to solve for x
log4(x+5)+log4(x-4)=log4(3x+4)
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03/10/16

Finding the Actual Doubling Time (Logarithms and Exponential Models)
This problem involves the Rule of 70, which gives quick estimates of the doubling time of an exponentially growing quantity. If r% is the annual growth rate of the quantity, then the Rule of 70... more
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Logarithms

03/08/16

what is the cube of a+b
〈a+b〉3
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Logarithms

03/08/16

whole square of a+b
what is the  ‌〈a+b〉2 
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Logarithms

03/06/16

I need help with these: 4e^3x + 7 = 12 and 3logbase2^x = -7
I need to know the steps of both of these
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Logarithms

02/27/16

solve for x : log (x-5) +log (x+3) = 1
solve for x in this equation : log (x-5) +log (x+3) = 1 All log are to the base of 9
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Logarithms

02/14/16

logarithmic and inverse function
You take out a $60,000 school loan. The time (t) in months that it takes to pay off the loan at 9% annual interest with monthly payments of (x) dollars is given by t=133.83ln(x/x-450) estimate the... more
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02/08/16

Solve for t in: 3(5)^(t) = 4(0.25)^(t+1) in the exact value
I have to solve for t using logs or natural logs and find the exact value of t. I've been trying for over an hour but have had no luck, thank you in advance to whoever solves!
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Logarithms Equation Math Help

02/04/16

Logarithmic Stuff
Can you solve for x in  this equations : 1/ log3(√(x) + 2 ) = log7x  
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Logarithms

02/01/16

explain why social security numbers are 9 digits long
there are approximately 317 million people in the united states. compute and use log(100,000,000) and log (1,000,000,000) to explain why social security numbers are 9 digits long
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02/01/16

How do you solve log 8 ^ -1/3
log 8 ^ -1/3   The answer is log(1/2) = -0.301 . But what are the mathematical steps of how to go from    log 8 ^ -1/3 to log(1/2)
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Logarithms

01/07/16

solving logarithm problems
log8(x)-log8(10)=log8(4)         I need to solve this
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Logarithms

12/21/15

solve e^x=5-2x
solve e^x=5-2x
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Logarithms Math Algebra

12/13/15

Write this expression as a single term that doesn't contain a logarithm
Use the properties of logarithms to write the following expression as a single term that doesn't contain a logarithm   e^3-2ln(X)+ln(Y) (note: everything after the ^ is superscript to the e
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Logarithms Algebra

12/13/15

Write the following expression as a single term that doesn't contain a logarithm
     3-2ln(X)+ln(Y) e^   use the properties of logarithms to write the following expression as a single term that doesn't contain a logarithm.
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12/03/15

Logarithms
Write in expanded form:    log5(x2(3x-4))         (x+2)2  
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Logarithms

12/02/15

solve and round to the nearest thousandths
solve and round to the nearest thousandths a. 16-4ln(3x)=4 b. log(base 7)(x+1) + log(base 7)(x-1)= log (base 7)*3
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12/02/15

Use the properties of logarithms to write the expression as one single logarithm in simplest form
Use the properties of logarithms to write the expression as one single logarithm in simplest form 8log(base 5)*(4sqrt(x))-4log (base 5) *(x)
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