Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 602840: 4=log2(16)
Click here to see answer by ankor@dixie-net.com(15625)

Question 602863: Solve for x
1/8=4^6x+2

Click here to see answer by flame8855(424)

Question 602883: how we will calculate the value of log 5000..???
Click here to see answer by Alan3354(30968)

Question 602952: log 6^(x-1)=1-log6^x
Click here to see answer by ewatrrr(10682)

Question 603116: Please help!! :)
Change the following base 7 logarithm to a base 4 logarithm.
log7( 5x-6)
thanks!
Click here to see answer by Alan3354(30968)

Question 603138: Solve for x: log(7x-2)-log(x-2)=1
Thanks!
Click here to see answer by Alan3354(30968)

Question 603113: Need some help with logarithm: thanks for helping in advance, I really appreciate it.
Rewrite the expression 2 log3(x+3)-5log 3(2x-1)+log3 5, as a single logarithm with coefficient 1. Assume all variables represent positive real numbers for which all logs are defined.

Click here to see answer by KMST(1867)

Question 603213: If log N = 2.3456, then log 100N is
Click here to see answer by stanbon(57224)

Question 603414: Please help me solve this logarithmic equation: log base 4(3X+4)^5=15
Click here to see answer by ewatrrr(10682)

Question 603273: Change each exponential form to an equivalent logarithmic form:
a. 32 = 2^5
b. 1/125 = 25^–3/2
c. 12 = 144^1/2

Change each logarithmic form to an equivalent exponential form:
a. log3 81 = 4
b. log10 0.0001 = –4
c. log3 (1/243)= -5
Thanks!
Click here to see answer by ewatrrr(10682)

Question 603442: Hi I've been working on logarithms and have such a hard time when it comes to solving square root ones, and advice on this on in exponential form it's 3square root of 64=4 would it be log 4 64=3?
Click here to see answer by ewatrrr(10682)

Question 603216: Using the laws of logarithms, simplify:
log2xy - log x
Click here to see answer by ewatrrr(10682)

Question 603200: Use properties of logarithms to write the expressions as a single logarithm. Simplify your answer as much as possible.
log(x/(x-1))+log((x+1)/x)-log(x^2 -1)
Click here to see answer by ewatrrr(10682)

Question 603189: find the value of x
log3(x+6)-log3(x)=5
Click here to see answer by ankor@dixie-net.com(15625)

Question 603512: lnx+ln(x+1)=2 I must solve for x, I keep coming across problems like this and also 3logx-log2x=2 and never really remember how to solve them.
Click here to see answer by stanbon(57224)

Question 603670: how do you do 5log3+log4
Click here to see answer by stanbon(57224)

Question 602530: Rewrite the following expression using one or more properties of logarithms and evaluate without a calculator.
log9 3 – log9 243 =
Click here to see answer by lwsshak3(6463)

Question 603613: solve for log(3x-1) + log2= log4 + log(x+2)
Click here to see answer by lwsshak3(6463)

Question 602762: Pleas help me with this problem!
log3(x^2-1)-log3(x-1)
instead of natural log, with the base being 10, it's 3.
Click here to see answer by lwsshak3(6463)

Question 603285: Write the expression as a single logarithm
7log b w + 2log h v
Click here to see answer by lwsshak3(6463)

Question 602592: How do I condense this expression to a single logarithm?
log z+log x / 3 + log y / 3
Click here to see answer by lwsshak3(6463)

Question 602365: condensing logarithms
4log(base)6 4+1/7log(base)6(r-8)-1/2log(base)6r
Click here to see answer by lwsshak3(6463)

Question 602287: write log 3x=9 in exponential form

Click here to see answer by lwsshak3(6463)

Question 602034: Expand the expression using the logarithm identities and write answer without exponents.
log10 ((x-4)^2/(3x^2+4))
Click here to see answer by lwsshak3(6463)

Question 603761: Simplify into a single log term:
2/3log x + 1/3log xy^3
Click here to see answer by Edwin McCravy(8880)

Question 603792: WHAT IS THE ANSWER OF 1.08 TO THE POWER OF 136
Click here to see answer by ewatrrr(10682)

Question 603831: if log28=log4+logx, what is the value of x?
Click here to see answer by ewatrrr(10682)

Question 603818: 2ln(3x-4)=7
Click here to see answer by ewatrrr(10682)

Question 603869: 2^x=9 how do I work this? just as Douglas replied I am blown away that a mom can get paid $7596 in 1 month on the internet. have you read this link LazyCash41.com

Click here to see answer by Blessy035(1)

Question 588242: how do i type in 2- ln1528 divided by 6 into my ti-30xa calculator

Click here to see answer by lkolbo(1)

Question 604266: Solve for x: log base 5 (x^2+4x+4)=2
Click here to see answer by nerdybill(6948)

Question 604266: Solve for x: log base 5 (x^2+4x+4)=2
Click here to see answer by jsmallt9(3296)

Question 604207: log square root of (x^2-1)=2

Click here to see answer by jsmallt9(3296)

Question 604023: If log(2/5)=a , then define log(32) in terms of a
Click here to see answer by jsmallt9(3296)

Question 604339: ln x = 5
Click here to see answer by stanbon(57224)

Question 604562: what is one less than 3000 in base 5. Please show step by step
Click here to see answer by nerdybill(6948)

Question 604543: My Eemail address is staford904@aol.com. This is my math problem log base 9(x/y^4)^2. Is this the right way to solve 9(xy^4)^2= 9(xy^4(2))= 9xy^8
Click here to see answer by Earlsdon(6287)

Question 604691: Solve the logarithm equation log[4](x)+ log[4](6x-7)=log[4]5.
Give the exact answer in the form of a fraction.
x=____
I worked the problem and came up with two different fractions; I have x= 1/2 or x=5/3.

Click here to see answer by nerdybill(6948)

Question 604730: Hi, I have a Question:
If log x = 2log y, then x=
This is the answer: y^2
But I dont know how to get that.
Thanks!
Click here to see answer by stanbon(57224)

Question 604740: log8(2x-1)=0
Click here to see answer by nerdybill(6948)

Question 604741: Please list the steps to get from 9^sqr(x)=3^x to the solutions {0,4}. The answers are provided in my book but I am stuck at the step 2^sqr(x)=x. All help is appreciated.
Click here to see answer by ankor@dixie-net.com(15625)

Question 604678: solve the equation log[2](x-5)+log[2](x-11)=4
Click here to see answer by alicealc(281)

Question 604747: log4^n=1/2
Click here to see answer by ankor@dixie-net.com(15625)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845