25 Answered Questions for the topic Log

Log

02/12/18

how to solve this kind of question logx + 2x = 4. how to solve for x here

 I want to solve for x here
Log

12/07/17

Solve the equation: 27^(1−x)= 81 without using logarithms.

Don't use log
Log

12/07/17

Solve the equation: 271−x = 81 without using logarithms.

Do not use log
Log

11/10/17

log(3x(y)(1/3))+log(y(1/3))

simplify log(3x(y)(1/3))+log(y(1/3))
Log

08/13/17

Find the value of

log 8 base 3÷( log 16 base 9 ×log 10 base 4) Options: 1. 3.log 2 base 10 2. 7.log3 base 10
Log

06/24/17

Worded indicies problem- Find temperature of liquid

When a liquid is placed into a refrigerator, its temperature T°C at a time t minutes is given by the formula T=T*10^-kt The temperature is initially 100°C and drops to 40°C in 5 minutes. Find... more
Log

05/04/17

Write an equation for option 2 and find how much money would you make on the 30th day.

Suppose a retired professor who lives next door offers to pay you to work for him for the next 30 days. He says he will pay you $500 per day (option 1), or if you would like, he will pay you $0.01... more
Log

04/23/17

how do you write 6log(x-7)+4logx as a single logarithm

help. 
Log

04/19/17

evaluate log expression

log x^(6/5)*y^(4/5) given that log x=2, log y =3. log 2 =0.3, and log 3=0.48 the answer is 24/5 but I dont know what to do after getting rid of the radical
Log

03/23/17

Applied logarithmic equation.

How many years will it take an investment to increase in value by 50% if interest is compounded semiannually at 8%. 
Log

03/21/17

Logarithmic Equation

9.22t+1=11.3t. Round the answer to the nearest thousandth. 
Log

03/20/17

Logarithmic Equation

log base 9.2 of 11.3^t is 2t+1. Answer to the nearest thousandth and show your work. 
Log

03/19/17

Logarithmic Equation

log(1-y) + log(4-y) = log(18-10y)
Log

02/01/17

Solve this equation for x

Solve x = log1.75(68)
Log

07/20/16

log 3 base 2 × log 5 base 10

Laws of logarithms
Log

07/17/16

How would I grapg this logarithm if the x is absolute ?

y=log2 |x|    I dont understand because wouldnt there be two graphs for this instead of one? Also, if i were to find the table of values , what would it be ? 
Log

04/02/16

Solving log

Hi, I need help solving the log base x raised to (-1/2) = √3   Logx√3 = -1/2
Log

11/01/15

Write as a single logarithmic function: ln(x^2-4) - ln(x+2) + 2ln(x)

Can you show the steps of how you get this answer... Thank you.
Log

08/25/15

Which of the following is equivalent to 2^4 =16?

Which of the following is equivalent to 2^4 =16?Select one:A. log4^16 = 2B. log2^4 = 16C. log2^16 = 4D. log4^2 = 16
Log

04/19/15

The half-life of krypton-85 is 11 days. How long will it take for 6.3% of a given amount of krypton-85 to be left?

 this question involves solving with logarithms and exponentials
Log

11/14/14

how do I solve the equation 2^(3x+1) = 8^p

How do I solve the above equation for x in terms of p? Please show the steps in working it out. thanks.
Log

06/05/14

What is the approximate solution of 7^x=3^x+1?

I've tried to use log(10) to bring the exponents to the front but I keep ending up canceling out my variables. 
Log

05/22/14

How to solve 2e^x=11.4

2e^x=11.4 I'm supposed to solve by using log I believe
Log

05/22/14

How to solve 2e^x=11.4

2e^x=11.4 I'm supposed to solve by using log I believe

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