445 Answered Questions for the topic Logarithms

Logarithms

03/30/15

Use these values and the properties of logarithms to approximate the value.
Assume that logb 4 ≈ 0.6021, logb 7 ≈ 0.8451, and logb 9 ≈ 0.9542. Use these values and the properties of logarithms to approximate the value.logb 2.25
Follows • 2
Expert Answers •1
Logarithms Interest Charged

03/23/15

Credit Card Interest Charged Logarithm
A Credit Card charges an annual yield of 17.5%. If you borrow $5000 on your credit card and do not pay your debt back, in how many years will you have been charged $10,000 of interest on your debt?
Follows • 2
Expert Answers •1
Logarithms

03/04/15

Please help me solve this log equation
Solve the equation  log_3^x=1-log_3^(x+2)
Follows • 2
Expert Answers •1
Logarithms

02/26/15

how can you answer this: log (3n-17)= (n-1) log 1.23 ... can you find the value of n?
this is all about equating arithmetic and geometric series calculating the value of n..
Follows • 3
Expert Answers •2

02/11/15

The value of the new car purchased for $27600 depricates 10%per year.
Write an exponential decay model for the value of the car.After about how many years will the car be worth half of its purchase price?
Follows • 2
Expert Answers •1
Logarithms

01/21/15

6^x=11, can find out x with out logarithms
can find out x with out logarithms
Follows • 3
Expert Answers •2

01/16/15

3^2x-5(3^x)=-6
Using logarithms solve.
Follows • 2
Expert Answers •1

01/16/15

logarithms
Simplify the expression:  Log((10^6)(x^2)) answers: 12, 6x^2, 12log(x), or 6+2log(x)   I chose the last answer...Not sure how to do this though.  Not sure what the correct answer is.   Please... more
Follows • 2
Expert Answers •1
Logarithms

01/16/15

logarithms
logP/N=5 and logM/N=9.  What is the relationship between P and M? Answer choices: M=4P M=10,000P M=0.0001P P=10,000M   Can you show the steps to how to solve this?  I am lost completely 
Follows • 2
Expert Answers •1
Logarithms Algebra 2

01/14/15

I'm having trouble with logarithms?
Express each expression as a single logarithm. Simplify if possible. 1.) log(log7(98)-log7(2))^x   2.) log4(5)+log4(12)-log4(3.75)     For number one I got x=0 and for number two I got 1. I... more
Follows • 2
Expert Answers •1

01/06/15

exponential decay and logarithm
The inverse of exponential growth function y=a^x is the logarithmic function y=log_a(x). But is there an inverse for a decay exponential function y=a^(-x)? and how its graph would be?
Follows • 3
Expert Answers •2
Logarithms

12/18/14

Prove that log(base x)y=a(m)^2 and for all a,b,m, bam=1, then log(base y)x=b/m
How do I do this?
Follows • 2
Expert Answers •1
Logarithms

12/18/14

If a(a-7b)= -b^2 then prove that log((a+b)/3)=(loga+logb)/2)
How do I do this?
Follows • 2
Expert Answers •1
Logarithms

12/18/14

If log(base 2n)(1944)=log(base n)(486sqr(2), determine the value of n^6
How do get an answer of approx 2.23*10^11?
Follows • 2
Expert Answers •1
Logarithms

12/16/14

working with logarithms
Rats are placed in a large glass container with food. Suppose that the rat population after t days is given by p(t)= 150/(1+7.5e^-.28t) How long does it take for the population to reach 800?
Follows • 2
Expert Answers •1
Logarithms Math Help

12/16/14

Find the value of x. log 3 x = 4
Find the value of x.log 3 x = 47122781
Follows • 1
Expert Answers •1
Logarithms

12/14/14

evaluate the function, g(16), given that g(x)=log4x
evaluate the function, g(16), given that g(x)=log4x
Follows • 2
Expert Answers •1
Logarithms

12/13/14

a quantity modeled by the equation f(x)=10^(-kx) decreases 40% in value as x changes from 3 to 7.5. Determine the value of k.
How do I get 0.0493 as the answer?
Follows • 2
Expert Answers •1
Logarithms Domain

12/13/14

Find the domain of the functions?
a) f(x)=log(base 2)(logx) b) f(x)=log(base 3)(9-x^2)   How to get an answer of: a)x>1 b) -3<x<3
Follows • 3
Expert Answers •2
Logarithms

12/13/14

for the function y=log(base 10) x where 0<x<1000, how many integer values are possible if y>-20?
Why is the answer 2?
Follows • 3
Expert Answers •2
Logarithms

12/12/14

Show that if log_(b)a=c and log_(y)b=c, then log_(a)y=c^-2
How do I do this?
Follows • 2
Expert Answers •1
Logarithms

12/10/14

Graph the function
Graph the function of g(x)=2+log3(x+1)Give its domain and range using interval notation
Follows • 2
Expert Answers •1
Logarithms Precalculus

12/09/14

Application of Logarithmic Models with Decibel Scale
If the intensity of a sound from one source is 1,000 times that of another, how much more is the decibel level of the louder sound than the quieter one?
Follows • 2
Expert Answers •1
Logarithms

12/05/14

Apply algebraic reasoning
Show that a=b^(loga/logb) for any a,b>0.
Follows • 2
Expert Answers •1
Logarithms

12/04/14

How do I get from 2^(x-log2 x) to 2^x/x
How do I get from 2^(x-log2 x) to 2^x/x
Follows • 2
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.