Sunday

April 20, 2014

April 20, 2014

Number of results: 467

**kahyla**

use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work Ln 8x 2. log2y^5
*Sunday, June 12, 2011 at 9:50pm by pre calc*

**trigonometry **

Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=3228'30" Also Give checks. I know the use of logarithms is unnecessary but i have to show my solution by using logarithms and thats the only reason I'm asking for help. ...
*Thursday, February 24, 2011 at 11:53pm by Anon*

**trigonometry**

okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"
*Sunday, February 20, 2011 at 11:30pm by anon*

**Logarithms**

solve 6 = 15^1-x by using logarithms. Round your asnwer to the nearest thousandth. PLease help?
*Friday, April 20, 2012 at 3:54pm by Tabby*

**Logarithms**

Okay thank you for the explanation!! Logarithms are difficult and get some use to.
*Sunday, October 21, 2012 at 1:20pm by Sam*

**math**

use the properties of logarithms to write the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.) In 3sqrt t
*Sunday, July 26, 2009 at 10:38pm by Hannah*

**math**

use the properties of logarithms to write the expression as a sum, difference, and/or constant multiple of logarithms. In( x^2 - 1 over x^3) , x is greater than 1 I really do not understand this problem!!
*Monday, July 27, 2009 at 5:05pm by Hannah*

**Math - Properties of Logarithms**

Use properties of logarithms to find the exact value of the expression. (log3(81)^4
*Monday, June 6, 2011 at 1:45pm by CheezyReezy*

**Math - Properties of Logarithms**

Hi, I have the same problem, but could you show the solutions in terms of "Properties of Logarithms" Thanks, Chelsea
*Monday, June 6, 2011 at 1:45pm by Chelsea*

**Logarithms**

Use the properties of logarithms to find the exact value of the expression log[16]4*log[5]57
*Sunday, January 1, 2012 at 6:12pm by Mc78*

**10th grade Math**

In logarithms, my problem is 2log(subscript 3)n + log (sub 3)5. I know how to add logarithms together, but what do I do with the 2 before the first log?
*Tuesday, December 9, 2008 at 7:41pm by Grace*

**calculus**

use the properties of logarithms to condense the logarithmic expression. write the expression as a single logarithms whose coeffient is 1. Inx+In5=? Can you show work
*Monday, January 7, 2013 at 11:05pm by Heather*

**math**

use the power law of logarithms to verify the product law of logarithms for log10^2
*Sunday, December 13, 2009 at 10:21pm by --*

**Logarithms**

What's the fastest way to find Anti Logarithms(not using interpolation or a log table) can anyone give me an example using any kind of value? (preferably solving triangles)
*Tuesday, September 17, 2013 at 6:45am by John*

**Logarithms**

What's the fastest way to find Anti Logarithms(not using interpolation or a log table) can anyone give me an example using any kind of value? (preferably solving triangles)
*Tuesday, September 17, 2013 at 7:32am by John*

**Logarithms**

What's the fastest way to find Anti Logarithms(not using interpolation or a log table) can anyone give me an example using any kind of value? (preferably solving triangles)
*Tuesday, September 17, 2013 at 9:55pm by John*

**Logarithms**

What's the best way to find Angles using logarithms and vice-versa. Ex: log cot 0.1690 and log sin (25degrees 22min) log sin (25+22/60) = log sin 22.3666666667 = sin 0.38053243281 = (-0.41960832236) Is there a simpler way to do these? I get confused with finding the angles ...
*Tuesday, September 17, 2013 at 2:13am by John*

**Trigonometry (Logarthims) **

Give checks to the following two questions Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=3228'30" without logarithms i can do this problem easily and i have. but when i try solving it with logarithms i keep getting...
*Thursday, February 24, 2011 at 4:15pm by Anon*

**pre calculous**

use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work ln x^2/y^3 Assuming x,y AND z are positive use properties of logariths to write the expression as a single logarithm logx+log y 1/3logx 4 ...
*Sunday, June 12, 2011 at 10:18pm by kevin*

**Algebra 2 logarithms**

Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x-2 ????
*Thursday, July 14, 2011 at 1:57pm by jay*

**trigonometry**

1. Finde the area of the following tringles: (use Logarithms) A) a=12.7, b=21.5, c=28.6. i'm not of the answer i got. i got 127.6 if you got something different can you show me how you did while using logarithms.
*Monday, February 21, 2011 at 5:08am by anon*

**exact logarithms **

Use the properties of logarithms to find the exact value of the expression log[16]4*log[5]sqrt7?
*Sunday, January 1, 2012 at 9:05pm by Mc78*

**trigonometry (MathMate)**

MathMate i would really appreciate if you can show me where the logarithms can be used.I know they are unnecessary and I already found the answer without them but i still have to show my work using logarithms and they just confuse me. I also have most trouble woth the anti-...
*Monday, February 21, 2011 at 5:25pm by anon*

**trigonometry**

In the old days when there were no calculators, surveying calculations like this would require logarithms to do the multiplications. There was a book about an inch and a half thick called "7-digit logarithm tables". We would look up sine(61 2' 13" ) from the table, look up ...
*Sunday, February 20, 2011 at 11:30pm by MathMate*

**calculus**

solve the exponential equation. Express the solution in terms of natural logarithms. e^x=9.2 a. whats the solution in terms of natural logarithms? **is the answer e^9.2 or just e^9 b. type a decimal rounded to 3 decimal places.
*Tuesday, January 1, 2013 at 11:53am by Brock*

**Applied calculas**

1. Consider the function y = xx (for x > 0). a) Why does the derivative rule for xn not apply? b) Why does the derivative rule for ax not apply? c) What are the four magic properties of logarithms? d) Take the ln of both sides. Use the properties of logarithms and implicit ...
*Monday, April 8, 2013 at 5:31pm by jack*

**applied calculus**

1. Consider the function y = xx (for x> 0). a) Why does the derivative rule for xn not apply? b) Why does the derivative rule for ax not apply? c) What are the four magic properties of logarithms? d) Take the ln of both sides. Use the properties of logarithms and implicit ...
*Tuesday, April 9, 2013 at 9:22pm by jack*

**English**

http://www.google.com/search?q=logarithms&rlz=1C1AVSX_enUS414US423&oq=logarithms&aqs=chrome..69i57j0l5.3977j0j8&sourceid=chrome&espv=210&es_sm=122&ie=UTF-8#es_sm=122&espv=210&q=expulsion+definition A big clue is that ends in -ion. Only one part of speech uses this suffix.
*Sunday, November 3, 2013 at 10:53am by Ms. Sue*

**social studies**

http://www.google.com/search?q=logarithms&rlz=1C1AVSX_enUS414US423&oq=logarithms&aqs=chrome..69i57j0l5.3977j0j8&sourceid=chrome&espv=210&es_sm=122&ie=UTF-8#es_sm=122&espv=210&q=democracy+definition
*Sunday, November 3, 2013 at 12:20pm by Ms. Sue*

**Logarithms**

1. Find the amount of time required for an investment to double at a rate of 12.3% if the interest is compounded continuously. MY ANSWER: 5.635 yrs 2. Solve e^(0.2x) < 21.2 by using natural logarithms. MY ANSWER: X<15.270 3. Convert log(base 5) 47 to a natural logarithm ...
*Wednesday, August 12, 2009 at 2:32am by Jackie*

**trigonometry **

Use logarithms and the law of tangents to solve the triangle ABC, given that a=21.46 ft, b=46.28 ft, and C=3228'30" I have to use logarithms and law of tangents . and then provide the check. which says law of sine or mollweids equation. I can't us the cosine law. If you ...
*Saturday, February 26, 2011 at 6:21pm by Anon*

**Maths**

http://www.mathsisfun.com/algebra/logarithms.html
*Sunday, November 3, 2013 at 11:00am by Ms. Sue*

**binomial distribution**

Yes, you will need to find n. Since P(x) = 0.1 and x = n, you can solve for n using logarithms and the binomial probability function: P(x) = (nCx)(p^x)[q^(n-x)] Using what is known: 0.1 = (1)(0.75^x)(0.25^0) Using logarithms, solve for n: log(0.1) = n log(0.75) log(0.1)/log(0....
*Saturday, August 25, 2007 at 9:49pm by MathGuru*

**Logarithms**

thank you
*Saturday, March 22, 2008 at 5:14pm by leo*

**logarithms**

thanks
*Thursday, April 7, 2011 at 12:22am by Haley*

**Logarithms**

thank you
*Friday, April 20, 2012 at 3:54pm by Tabby*

**Logarithms**

Ok thanks
*Sunday, October 14, 2012 at 3:39pm by Sam*

**Logarithms**

Thanks!
*Tuesday, September 17, 2013 at 7:32am by John*

**Math (Logarithms)**

How do u do logarithms where there is a log on one side and a number on the other... Example- -21.044=log(P/30) I dont want just an awnser to the example, i need to know how to do it please... convert your log equation into an exponential equation. -21.044=log(P/30) <...
*Tuesday, May 8, 2007 at 10:29pm by Emily*

**algebra**

Logarithms: a)
*Wednesday, March 7, 2007 at 11:39pm by Jade*

**logarithms**

I did that for you already.
*Thursday, April 7, 2011 at 12:22am by drwls*

**Logarithms**

What is 57 ?
*Sunday, January 1, 2012 at 6:12pm by drwls*

**Logarithms**

Thanks so much!
*Thursday, March 22, 2012 at 8:15pm by Labz*

**Logarithms**

It's fine. Thanks
*Sunday, October 14, 2012 at 3:14pm by Sam*

**Maths**

Logarithms
*Sunday, November 3, 2013 at 11:00am by Virgie*

**Algebra-please check my answers**

Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x - 9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x - 6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms. 2^8x = 4.5 i got {ln 4.5...
*Friday, October 26, 2007 at 10:20pm by Ang*

**Math+Growth/Decay**

There's a constraint in the Domain with logarithms where the variable is in the parenthesis (which must be greater than 0). The Range is all reals with logarithms when the variable is in the parenthesis. There's a constraint in the Range when the variable is in the exponent (...
*Wednesday, March 11, 2009 at 9:57pm by Toothpicks*

**math**

logarithms solve for x 5^(x-1) = 9
*Sunday, October 5, 2008 at 5:12pm by Anonymous*

**Logarithms**

All good!
*Wednesday, August 12, 2009 at 2:32am by MathMate*

**algebra logarithms**

log5 x=2
*Thursday, June 3, 2010 at 11:48pm by Nicole*

**Logarithms**

Thanks so much Reiny.
*Wednesday, March 9, 2011 at 12:24am by Helper*

**Logarithms**

Solve for x: {{{ln(x)+x=5}}}
*Friday, April 8, 2011 at 2:32pm by Kate*

**Logarithms**

suppose to be SQRT7
*Sunday, January 1, 2012 at 6:12pm by Hunter*

**Logarithms**

o wait i answered it
*Tuesday, September 4, 2012 at 10:24pm by Amy*

**Logarithms**

x2/y2
*Friday, April 20, 2012 at 3:54pm by Anonymous*

**Logarithms**

x2/y2
*Friday, April 20, 2012 at 3:54pm by 2logx-3logy*

**Logarithms**

Yes Damon thats what I meant. Thanks!
*Sunday, October 14, 2012 at 3:14pm by Sam*

**Logarithms **

How do you expand ln15x? thanks :)
*Tuesday, February 12, 2013 at 4:33pm by Allyson*

**Math**

Given the product law of logarithms, prove the law of exponents. Given the quotient law of logarithms, prove the quotient law of exponents.
*Saturday, May 23, 2009 at 5:07pm by Jus*

**trigonometry (repost) Mathmate**

I want to start by saying thank you . You have no idea how much u have helped me understand logarithms, even better then the books i have (it poorly explains the subject of trigonometry let alone logarithms and antilog). Your last explanation was very clear and i even ...
*Saturday, February 26, 2011 at 3:37am by Anon*

**math**

how do i solve this using logarithms: 1) 4^(x)=8 2) 2^(x) * 8^(-x)= 4^(x)
*Monday, November 24, 2008 at 6:01pm by kayla*

**trig**

c.f. rules of logarithms on wikipedia.
*Monday, February 15, 2010 at 7:01am by dongo*

**Algebra Logarithms**

logx+log(x+3)=1
*Thursday, June 3, 2010 at 11:47pm by Nicole*

**logarithms**

You posted an expression, but no question.
*Thursday, December 30, 2010 at 1:44pm by Marth*

**Logarithms**

Determine if x=0.6 is a root of 4^(2x)=5
*Thursday, March 22, 2012 at 8:15pm by Labz*

**Logarithms**

Solve 7^3x=623
*Sunday, October 21, 2012 at 1:09pm by Sam*

**Logarithms**

Okay thanks. I think I got it now.
*Sunday, October 21, 2012 at 1:09pm by Sam*

**Math- logarithms**

Oh, I see. Thank you so much!
*Sunday, January 12, 2014 at 11:45am by Anonymous*

**trigonometry (correction)**

In my previous answer, "p" is HALF the perimeter, 31.4. For additional steps, see http://askville.amazon.com/Find-area-triangles-logarithms-a%3D12-b%3D21-c%3D28/AnswerViewer.do?requestId=1256937
*Monday, February 21, 2011 at 5:08am by drwls*

**Calculus**

here is a good summary of the log rules you should know http://mathsfirst.massey.ac.nz/Algebra/Logarithms/RuleLog.htm your equation: log2 4 = log8 8 + .5log4 16 Left Side = 2 Right Side = 1 + 2 = 3 So, NOT true
*Tuesday, September 29, 2009 at 12:16am by Reiny*

**maths logarithms**

Thanks! But how did you substitute 5z^2 for 5^2x+1?
*Wednesday, October 17, 2007 at 4:05pm by Claire*

**Logarithms**

Can someone explain to me why ln e^5 equals 5?
*Tuesday, January 29, 2008 at 10:42pm by Anonymous*

**advanced functions-logarithms**

2e^x=10
*Wednesday, March 7, 2007 at 8:36pm by Karman Stevens*

**logarithms**

how do i solve: log4x^3 + log2x^1/2 = 8 please help me
*Sunday, November 8, 2009 at 2:41pm by jenny*

**math 12 logarithms**

yes, you have it. 5^.5=sqrt5
*Thursday, March 11, 2010 at 4:34pm by bobpursley*

**college algebra**

help solve 8=2^5x * 4^x^2 logarithms
*Sunday, May 2, 2010 at 8:21am by Cindy*

**algebra logarithms**

log5 x=2 by definition, 5^2 = x x = 25
*Thursday, June 3, 2010 at 11:48pm by Reiny*

**algebra II logarithms**

f(x)=log4 (x)+3 how could i get this so i could graph it?
*Sunday, July 17, 2011 at 9:14pm by jay*

**Math**

I'm doing logarithms. Solve: 2^(6x-1)=28
*Thursday, March 22, 2012 at 9:21pm by Henry*

**Math - Logarithms**

How do you solve 7^(3x) = 8^(2x)
*Monday, April 2, 2012 at 9:34pm by Labz*

**Logarithms**

Okay so how would I calculate the answer from that step?
*Sunday, October 21, 2012 at 1:09pm by Sam*

**Logarithms**

Solve Log base 10^x=4
*Sunday, October 21, 2012 at 1:20pm by Sam*

**Logarithms**

log10^x=4 the 10 is under the log
*Sunday, October 21, 2012 at 1:20pm by Sam*

**math**

is there a way to do this without using logarithms?
*Saturday, March 16, 2013 at 1:56pm by Hasane*

**Logarithms**

if loga(b)=1/48 what is the value of logb(a^2) ?
*Monday, April 22, 2013 at 12:55pm by Tony*

**Algebra**

Can logarithms have negative answers?
*Friday, November 15, 2013 at 12:23am by Megan*

**math- logarithms**

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x
*Thursday, January 8, 2009 at 7:16pm by kayla*

**math- logarithms**

Wooah i dont get that ;] do you understand mine?
*Thursday, January 8, 2009 at 7:16pm by Dune*

**MATH - logarithms**

solve for x. 485 * 5^x+2 = 12^2x-1
*Thursday, December 3, 2009 at 6:56pm by Cyn*

**math**

Apply logarithms to create a linear relationship: ((x^3)(y^1.5))/(z^.5)=k
*Wednesday, May 11, 2011 at 10:27pm by sophie*

**math:logarithms**

put it in your calculator and see if it works
*Wednesday, February 15, 2012 at 7:42pm by MIKE*

**math:logarithms**

i donot have calculator now
*Wednesday, February 15, 2012 at 7:42pm by mohamed sedeeq*

**MATH**

remember to divide the terms when subtracting in logarithms.
*Sunday, April 7, 2013 at 4:21pm by Ashley*

**math- logarithms**

Check your previous post for the solution to problem 2.
*Thursday, January 8, 2009 at 7:16pm by Quidditch*

**Algebra Help**

Express in terms of sums and differences of logarithms: log_a x^3 y^2 z
*Saturday, August 8, 2009 at 1:22am by Rachale*

**math **

how to solve logarithms symbolically? log17(17)^(x+3)= log7(1) thank you
*Tuesday, August 24, 2010 at 7:38pm by ellie*

**Math - Solving Logarithms equation**

(x/2)-9 = 3^4 = 81 x/2 = 90 x = 180
*Monday, June 6, 2011 at 1:46pm by Damon*

**algebra II logarithms**

put in several x, and plot it. start with x=0
*Sunday, July 17, 2011 at 9:14pm by bobpursley*

**Pre Calculus**

Logarithms Solve the equation for x 1-ln(3x+2)=0
*Friday, October 21, 2011 at 1:08am by Josh*

**math**

Use logarithms to solve expenential equqtion 5^x=30
*Tuesday, December 20, 2011 at 6:26pm by ddd*

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