55 Answered Questions for the topic Logs

Logs

07/15/16

Logs, solving for x
Hi,I need help solving for x for :    logx2 (101) = logx+1 (101)    The bases are not the same so im guessing you have to use change of base formula right? Im not sure though how to use it for... more
Follows • 2
Expert Answers •1
Logs

07/14/16

Absolute value when expressing in terms of simple logs
log5 [ (a2b3 )/(25) ] . Its log base 5.    My question is when there is an even number you have to write it with the absolute value sign right? 
Follows • 3
Expert Answers •2
Logs

07/14/16

Evaluating these two logs
Hi, I need help understand how to use log identities to solve   a) 5 2log53    
Follows • 2
Expert Answers •2
Logs

07/14/16

Using logarithmic identities to evaluate
Hi, I am very confused on solving the following. I really have no idea how to solve it and Im freaking out.    a) 8 raised to -log822 b) (log10)3 c) √ln1 d) log(2/3)(27/8) e) 7 raised to... more
Follows • 2
Expert Answers •1

06/07/16

Logarithmic equations help
solve  1)log24+2log28=x   2)log5(x+2)-log5 7 = 2log53   thanks this site helps a lot!
Follows • 3
Expert Answers •2

06/07/16

Need help solving these log equations
Solve   1. log16x=3/2   2.logx81 = 3   3. Log21/8 = x   thanks   
Follows • 4
Expert Answers •3

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!
Follows • 2
Expert Answers •2
Logs

01/05/16

The price of 9 volt batteries is increasing according to the function below, where t is years after January 1, 1980. During what year will the price reach $4?
P(t)=1.1•e^0.047t
Follows • 2
Expert Answers •1
Logs C # Parsed

12/06/15

How do I extract log messages from Snort and parse them into C#?
I need to take my Snort log messages, read in those files generated by Snort and parse them into C#
Follows • 1
Expert Answers •1
Logs Equations

11/01/15

ln (x+2) - ln(4x) = 1 and 5(2^x+1) - 3 = 8
Solve the following equations or indicate that no solution exists.   Thank you!
Follows • 2
Expert Answers •1

11/01/15

Use the properties of logs to show that 1/3+ log_2(cube root of 10) and log _2(cube root of 20) are equivalent
Start with one side and show each step to get to the other one.   Thank you!
Follows • 2
Expert Answers •1
Logs Equivalent

11/01/15

Use the properties of logs to show that 1/3 + log_2(cube root of 10) and log_2 (cube root of 20) are equivalent.
Start with one side and show each step to get to the other one.    thank you!
Follows • 2
Expert Answers •1
Logs Equivalent

11/01/15

Which if any of: log_7(5/2), log_7(5)/log_7(2), log_7(5)-log_7(2)
Please show steps..    thanks from the struggling precal student 
Follows • 2
Expert Answers •1
Logs

10/31/15

What is log_2 (1/4(2^(x+1)))
can you please explain the steps on how to do this??   Thank you.
Follows • 3
Expert Answers •2
Logs

10/31/15

What is 2^(3+log_2(5))?
I need the steps on how to do this.
Follows • 2
Expert Answers •1
Logs

10/31/15

what is log_3 (9/squareroot 3) ?
I don't understand logs so i really need step by step
Follows • 1
Expert Answers •1

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
Follows • 2
Expert Answers •1

08/01/15

Log6(6) + 2 Log 10 - 5 In e + Log 1
Log 6(6) + 2 Log 10 - 5 In e + Log 1  = Log 1 + 2 Log 1 - 5 In 1 + Log 0  = 1 + (2*1) - (5*1) + 0 = -2
Follows • 2
Expert Answers •1
Logs Logarithms

04/26/15

Given that log_2(3) • log_3(4) • log_4(5)..... log_n-1(n) • log_n(n+1) = 10, find the value of n.
Given that log_2(3) • log_3(4) • log_4(5)..... log_n-1(n) • log_n(n+1) = 10, find the value of n.   NEED ANSWER ASAP
Follows • 3
Expert Answers •1

03/12/15

Half life question
Analysis indicated that a scroll wrapping contained 76% of the original carbon-14. The half life of carbon-14 is 5715 years. Set up & solve equation to find age
Follows • 2
Expert Answers •1

12/09/14

Natural Log Base Equation
7 e^x = -2 e^x + 5   Find x where e is the base of a natural log
Follows • 2
Expert Answers •1

12/09/14

Exponential Decay
A population numbers 12,000 organisms initially and decreases by 6.4% each year.   A) Suppose P represents the population and t the number of years of decline. An exponential model for the... more
Follows • 2
Expert Answers •1

11/02/14

if ln(a)=2, ln(b)=3 and ln(c)=5, evaluate the follwing:
ln[(a^4)/(b^-2*c^-1)]   ln[(sqrt)(b^-4)(c^-3)(a^3)]   ln(a^-3*b^-3)/ln((bc)^4)   ln(c^3)* ln(a/b^4)^-3
Follows • 2
Expert Answers •1
Logs Logarithms

05/16/14

log12 20~1.2 and log12 33 ~1.4 (Given) (Evaluate)log121.65
Given: log1220~1.2 and log1233~1.4 evaluate log121.65
Follows • 3
Expert Answers •2
Logs

05/11/14

can someone help me find the derivative for this function?
y=log(sin^5(x))
Follows • 1
Expert Answers •1

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.