54 Answered Questions for the topic Logs

05/20/20

Use logs and exponents to solve application problem

If 100 dollars is invested into an account making 3 percent annual interest compounded monthly. How long until the account contains 135 dollars? Round to the nearest tenth of a year.
Follows • 1
Expert Answers •1

05/20/20

Logs in equivalent forms including proof
Prove logxxy -2logxy = 1 - logxy 
Follows • 1
Expert Answers •1

05/20/20

Logs in equivalent forms including proof
Combine log3x - 4logx + logy into one logarithm and simplify. Assume all variable are positive.
Follows • 1
Expert Answers •1

05/26/19

Evaluate log10(1/2) + log10(2/3) + log10(3/4) +log10(4/5) + ... + log10(99/100)
Follows • 1
Expert Answers •1

02/21/19

if u=log(2), and v=log(5) --find possible formulas for the following expressions in terms of v and u. No logs in your answers. 1. log(.025)= 2.log(80)=
Follows • 1
Expert Answers •1
Logs Logarithm

09/30/18

How do I condense log - log + log
I understand the rules of logarithms but am confused as to what order to go about condensing this 
Follows • 2
Expert Answers •1

07/18/18

Expand the expression log(z^3/sq. rt. x^5y). Each logarithm should involve only one variable and should not have any radicals or exponents.
Please Use properties of logarithms to expand the expression. log(z^3/sq. rt. x^5y)Each logarithm should involve only one variable and should not have any radicals or exponents.You may assume that... more
Follows • 2
Expert Answers •1
Logs

04/21/18

How do you solve this problem log little 4 big 4 radical 5x
log little 4 big 4 radical 5x
Follows • 4
Expert Answers •3
Logs

04/04/18

a rock has a half life of 2.3 billion years, 40% element and 60% lead, how old is the rock
A certain element has a half life given in cell B3, meaning that in that number of years, half of the element has turned to lead. You find a rock with the percent of the element and percent of lead... more
Follows • 2
Expert Answers •1

03/08/18

Solving Log2(2x)+log2(x+2)>log2(16) algebraically
Solving Log2(2x)+log2(x+2)>log2(16) algebraically
Follows • 2
Expert Answers •1
Logs Maths

12/24/17

sin theta tan^2 theta (2sin theta + 3) + tan^2 theta = 0
logs edexcel c2 iygb paper z question 6
Follows • 3
Expert Answers •2

12/12/17

Solve the following
1.find the value of Of each of the following, giving your answer an integerLog64+Log692.Let Log3P=6 and Log3Q=7Find Log3(P/Q) By expanding the logarithm 3.Solve the equations below using exponents... more
Follows • 2
Expert Answers •1

11/05/17

Twice a first number decreased by a second number is 6. The first number increased by four times the second number is 39. Find the numbers
Twice a first number decreased by a second number is 6. The first number increased by four times the second number is 39. Find the numbers
Follows • 2
Expert Answers •1

10/17/17

Use the rules of logarithms to contract the following expression into a single logarithm (if necessary), then solve for x
ln(4)-ln(x)=-0.15
Follows • 1
Expert Answers •1

04/16/17

Some logarithms. Falling behind and not really sure how it works completely.
So, in all, I'm really just asking how I would use log in general. (Please answer in a 'for dummies' format please! :) Not exactly the best with the vocabulary!) Due to some research, I've learned... more
Follows • 3
Expert Answers •2

10/09/16

If you invested $1000 in an account paying an annual percentage rate of 12%, compounded daily (based on a bank year of 360 days), how much would you have in you
You have to use the formula y=P(1+r/n)^nt to solve it
Follows • 2
Expert Answers •1
Logs

08/02/16

In this question each stage of your working must be shown and must not contain a logarithm. Simplify 1/2 log2 36+ 2 log2 8 - log2 24.
In this question each stage of your working must be shown and must not contain a logarithm.Simplify 1/2 log2 36+ 2 log2 8 - log2 24.
Follows • 3
Expert Answers •2
Logs

07/20/16

Logarithms, what am I doing wrong ?
If logx=5 , logy=2 and log z= 3 , find the value of log [ (xy^3)/(z) ]?   I substituted the numbers inside the brackets then condensed it. I got an answer of 10. But the right answer is 8... more
Follows • 2
Expert Answers •1
Logs

07/18/16

Graphing a logarithmlog
y=(log3X) -1    When finding the table of values, I removed the brackets and did 3y =x-1 but ended up with a different set then the one in my book.    Also , if I were to convert y=3^x+1 , its... more
Follows • 2
Expert Answers •1
Logs

07/17/16

Really need help understanding this log equation
Hello, Im trying to solve for x. Its been days now I try to understand but I cant seem to. I understand how to solve for x for my other problems but this one is just really tough for me. So it says... more
Follows • 3
Expert Answers •2
Logs

07/16/16

Logs, solving for x
(x+3) loga a^x = x        Sorry that its small. 
Follows • 1
Expert Answers •1
Logs

07/16/16

How do I express this as a single logarihm (condense) ?
1/2Log(x) + 3/2Log(2y) — log(x2y)    Can you please show me steps? I tried at least five times and the book says the answer is with a square root but I dont know how to get there.    The first... more
Follows • 2
Expert Answers •1
Logs

07/15/16

Graphing logs
Hi, Im confused by the brackets in this log so Im not sure how to graph it.    y=[ (log3(x)] -1 
Follows • 2
Expert Answers •1
Logs

07/15/16

Solving for x in logs with different bases
Hi, Im trying to solve for x for Ln(x)—log(x)=1    The first thing I did was use change of base property. After this is where Im totally confused on solving. 
Follows • 1
Expert Answers •1
Logs

07/15/16

Expanding logs
Hi, I just want to know if if my answer is correct.    log n√(100x3/ym)    * Instead of it being squared, its an n. Also (100x3/ym) is under one big root*   The answer I got is :    n+... more
Follows • 2
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.