Questions on Algebra: Logarithm answered by real tutors!

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

Tutors Answer Your Questions about logarithm (FREE)

 Question 324831: Solve for (1/9)^(x-1)=9^(x+5) Click here to see answer by Alan3354(30983)

 Question 324876: 4^x+4=5^2x+5 Click here to see answer by stanbon(57250)

 Question 324998: How do I solve for x in this problem? X should equal "0.01". Click here to see answer by Fombitz(13828)

 Question 324999: Knowing that x should equal "0.01", how do I solve this problem for x? Click here to see answer by Fombitz(13828)

 Question 324972: simplify (6e^4x)/(8e) Click here to see answer by Fombitz(13828)

 Question 325186: using the power rule express as a single logarithm 2 log 11+5 log 4 and log7-log3 write as a single logarithm Click here to see answer by nerdybill(6951)

 Question 325237: solve for x log5(3x-8)=4 Click here to see answer by stanbon(57250)

 Question 325243: Simplify log2(8^pie) Click here to see answer by jim_thompson5910(28504)

 Question 325244: find f^-1(x) f(x)=e^x-3+2 i know that by putting the negitive on in it will make the neg. in the equation postive and i also know that positive will become neg. but i dont know where to go from there Click here to see answer by jim_thompson5910(28504)

 Question 325247: use the base-changed formula to find four placed decimal approximations. indicate what you are computing. log5(27) Click here to see answer by Alan3354(30983)

 Question 325248: use the base-changed formula to find four placed decimal approximations. indicate what you are computing log3(2square root5) Click here to see answer by Alan3354(30983)

 Question 325249: use the base-changed formula to find four placed decimal approximations. indicate what you are computing log pie(10) Click here to see answer by Alan3354(30983)

 Question 325242: Simplify log2(5)-log2(15)+log2(24) Click here to see answer by Alan3354(30983)

 Question 325236: solve for x in(x^2-4x+6)=in(3) Click here to see answer by Alan3354(30983)

 Question 325281: Find all real values of x such that log base 2 of (log base 2 of x)= log base 4 of (log base 4 of x) Click here to see answer by Theo(3458)

 Question 325394: solve for x log8(6x+14)-log8(x+1)=2 Click here to see answer by nerdybill(6951)

 Question 325390: solve for x log7(3x-5)=2 Click here to see answer by nerdybill(6951)

 Question 325392: log6(15-x)+log6(x)=2 solve for x Click here to see answer by Alan3354(30983)

 Question 325519: 70.3=741*ln(5x-1) Click here to see answer by Fombitz(13828)

 Question 325591: log10(x+3)+log10(x-1)=1 Click here to see answer by nerdybill(6951)

 Question 325607: b = ( a^x + a^-x )/ 2 find x Click here to see answer by Jk22(389)

 Question 325666: log(120-x)=2 Click here to see answer by stanbon(57250)
 Question 325666: log(120-x)=2 Click here to see answer by Raktim(2)

 Question 325664: I am having some trouble solving this problem because I forgot how to set it up. I just need the first two steps and I can figure it out from there. I need to solve it using a logarithmic equation: 3^(2x+7)=3^(1/2) Click here to see answer by stanbon(57250)

 Question 325747: Write the equation 7^3 = 343 in logarithmic form. a. log3 343 = 7 b. log7 343 = 3 c. log3 7 = 343 d. log7 3 = 343 Thank you for your help. Click here to see answer by stanbon(57250)

 Question 325787: Rewrite as an equivalent exponential equation. Do not solve. log10 0.01 = -2 Click here to see answer by Fombitz(13828)

 Question 325889: Rewrite each of the following as an equivalent logaritmic equation. Do not solve 2^-5=1/32 Click here to see answer by stanbon(57250)

 Question 326047: solve for x 2log4(x)-log4(5x-18)=3/2 Click here to see answer by stanbon(57250)

 Question 326073: for 2e^(3x)=4e^(5x) solve for x using logarithms. Click here to see answer by solver91311(16872)

 Question 326151: log 2.34 Click here to see answer by Alan3354(30983)

 Question 326159: find aproximation ln 0.000911 and 10^2.4154 Click here to see answer by Fombitz(13828)

 Question 326208: Please help! Solve the following logarithmic expression. log2(3x+8)=3 Click here to see answer by solver91311(16872)

 Question 326240: Please help me to solve. e^(4-5x)=988 Thank you! Click here to see answer by stanbon(57250)
 Question 326240: Please help me to solve. e^(4-5x)=988 Thank you! Click here to see answer by solver91311(16872)

 Question 326238: (a) Find the domain and range of the function f(x) = log(8x). (b) Find the inverse of f(x) = log(x). f -1(x) = Click here to see answer by stanbon(57250)

 Question 326222: As of July 2003, the population of India was estimated to be 1,050,000,000, with an annual growth rate of 1.47%. If the growth rate remains the same, how large will the population be in 50 years? Click here to see answer by nyc_function(2733)

 Question 326313: Write the equation in its equivalent logarithmic form. 3^-2=1/9 thanks =) Click here to see answer by AAfter Search(61)

 Question 326316: Evaluate the expression without using a calculator. log7 1 over the square root of 7 thanks for anyhelp Click here to see answer by jim_thompson5910(28504)

 Question 326320: What is log b (base) (5x^5)/(yz^6) And: 4^2x+3=67 Click here to see answer by user_dude2008(1861)

 Question 326295: express as a product logc(z)^-7 Click here to see answer by Fombitz(13828)

 Question 326317: evaluate the expression without using a calculator 9log9 10 thanks again Click here to see answer by Fombitz(13828)

 Question 326404: = 2+ Click here to see answer by solver91311(16872)

 Question 326418: log (2x+5)+log (x+1)=1 Click here to see answer by Fombitz(13828)
 Question 326418: log (2x+5)+log (x+1)=1 Click here to see answer by solver91311(16872)

 Question 326491: g(x)=log base 9 x x=1000 log base 9 1000 1000=9 exponent y what is y? Click here to see answer by Fombitz(13828)

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