# Questions on Algebra: Logarithm answered by real tutors!

Algebra ->  Algebra  -> Logarithm Solvers, Trainers and Word Problems -> Questions on Algebra: Logarithm answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

## Tutors Answer Your Questions about logarithm (FREE)

 Question 617245: 2^x=4x solve for x Click here to see answer by Alan3354(31532)

 Question 617405: if log base b (2)=x and log base b (3)=y, evaluate the following terms of x and y: log base b (24)= log base b (216)= log base b (16/27)= (log base b (27))/(log base b (4))= Click here to see answer by stanbon(57967)

 Question 617412: 6^log base 6^81 evaluate? Click here to see answer by Alan3354(31532)

 Question 617482: log of (x-6) in base 11 plus the log of (x-4) in base 11 equals 1. I am having a lot of trouble with this please help Click here to see answer by josmiceli(9817)

 Question 617284: log (x + 16) = log x + log 16, reject any value of x that is not in the domain of the original logarithmic expression Click here to see answer by ankor@dixie-net.com(15746)

 Question 617516: I need help with this problem with simplify. log61/36 Click here to see answer by lynnlo(4169)

 Question 617575: What value of x will make the following equation true? logx81 = 4 Click here to see answer by jsmallt9(3296)

 Question 617577: What value of x will make the following equation true? logx81 = 4 Click here to see answer by Alan3354(31532)

 Question 617617: I'm stuck on this question: + I worked out the first part as 4log 2 with base 3 but not sure this is right. Any help would be great. Thanks. Click here to see answer by stanbon(57967)

 Question 617712: If logx(1/4)=-2, find x Click here to see answer by lwsshak3(6763)

 Question 617576: What value of x will make the following equation true? logx81 = 4 Click here to see answer by richard1234(5390)

 Question 617926: log[6](x-2)+log[6](x+3)=1 Click here to see answer by nerdybill(7008)

 Question 618085: Evaluate the logarithm without using a calculator. log1/3 81 What I tried so far was setting it equal to x. Then I ended up with: 1/3^x = 81 I'm not sure if this is the correct way to do it or not. If it is what do I do next, if it is not then HELP please. Click here to see answer by solver91311(17077)

 Question 618078: The question asks: – + The homework needs me to show the steps. Can anyone help? Thanks in advance... Click here to see answer by jsmallt9(3296)

 Question 618296: What is log(base3)8+log(base3)(7-2x)=2 Click here to see answer by lwsshak3(6763)

 Question 618297: What is log(base3)8+log(base3)(7-2x)=2 Click here to see answer by nerdybill(7008)

 Question 618358: Write as a single logarithm whose coefficient is one: 2logb(8)-logb(3) Click here to see answer by nerdybill(7008)

 Question 618359: If f(x)= x²+2x, then find f(a+h)-f(a) Click here to see answer by nerdybill(7008)

 Question 618366: The question is asking me to convert the following into a single logarithm: – They want me to show them the steps. Any help would be greatly appreciated. Click here to see answer by ewatrrr(10682)

 Question 618387: how would you solve the problem log(base 6) x 89? Thanks! Click here to see answer by nerdybill(7008)

 Question 618388: 2588=2500e^r(6) Click here to see answer by ewatrrr(10682)

 Question 618423: combine the logarithm 1/2logx - log(x^3y) + logxy^4 Click here to see answer by ewatrrr(10682)
 Question 618423: combine the logarithm 1/2logx - log(x^3y) + logxy^4 Click here to see answer by josmiceli(9817)

 Question 618452: Solve the equation for x ln(3x+1)=ln(2x-8) Click here to see answer by Alan3354(31532)

 Question 618476: solve the equation 5log(base2)x=24 Click here to see answer by lwsshak3(6763)

 Question 618620: The amount of carbon-14 located in animal bones after t years is given by P(t)=Poe^-0.00012t a bone has lost 19% of its carbon-14 how old is the bone? How old is a bone that has lost 23%? Click here to see answer by nerdybill(7008)

 Question 618684: how do condense log base 5 of y-(log base 5 of x+2 log base 5 of r) Click here to see answer by ewatrrr(10682)

 Question 618666: Solve each equation: Round answers to the nearest thousandth. 4^(6x-1)=5^(x+4) I origionally attepted to set the equation to a logarithim but i was not sure how to remove the X from both powers, i got to logbase4 5^(x+4)=6x-1 but got lost with the x+4, but now while typeing this i think i may use power property? (x+4)logbase4 5=6x-1? Then I get lost with how to remove the log from the problem, thanks -Brandon Click here to see answer by nerdybill(7008)

 Question 618362: If f(x)= 2x-4 and g(x)=3x+1, then (f+g)(x)= ? Click here to see answer by scott8148(6628)

 Question 618791: Please help me solve these: (a): log[x](6)=(1)/(2) and (b): log[x](3)=(1)/(3). I was asked to find x. Thanks very much. Click here to see answer by scott8148(6628)

 Question 618920: log3(x) + log3(6x)=3 Click here to see answer by stanbon(57967)

 Question 618921: I am in chemistry and need help on solving logarithms. please show me step by step so I can do the rest. Thanks so much. Question: solve for x. log(x)=0.46 Click here to see answer by stanbon(57967)

 Question 619002: Log8 base 7 minus log8 base 7 Click here to see answer by Alan3354(31532)

 Question 619134: 1/125=25^-3/2 Click here to see answer by Alan3354(31532)

 Question 619139: Please help me solve this: Let F(x)=2x-3 and G(x)=3-5x . Find (FoG)(x) Click here to see answer by nerdybill(7008)

 Question 619260: help me please to find the base of 30is50% of what number. Click here to see answer by Alan3354(31532)

 Question 619315: Solve the logarithmic equation: In x + In x^2=3 Click here to see answer by nerdybill(7008)

 Question 619314: The population P (in millions) of California x years after 2000 can be modeled by P=34e^0.013x. a.) Use properties of logarithms to solve this equation for x. b.) Use your equation to find x when P=38.Interpret your answer. Click here to see answer by nerdybill(7008)

 Question 619318: The percentage P of radioactive carbon-14 remaining in a fossil after t years is given by P:100(1/2)^t/5700. Suppose a fossil contains 35% of the carbon-14 that the organism contained when it was alive.Estimate the age of the fossil. Click here to see answer by ankor@dixie-net.com(15746)

 Question 619317: Solve the logarithmic equation: log(x+1)+log(x-1)=log3 Click here to see answer by sophxmai(60)

 Question 619316: Solve the logarithmic equation: In x +In(3x-1)=In 10 Click here to see answer by lwsshak3(6763)

 Question 619340: The intensity of light is reduced by 2% for each metre that a diver descends below the surface of the water. At what depth is the intensity of light only 10% of that at the surface? Click here to see answer by Theo(3504)

 Question 619407: log(x+2)to base 3+log(10-x)to base 3-3=0 Click here to see answer by stanbon(57967)
 Question 619407: log(x+2)to base 3+log(10-x)to base 3-3=0 Click here to see answer by ewatrrr(10682)

 Question 619671: How can I calculate logbasex(logbase5(x+5))=0 Click here to see answer by ewatrrr(10682)

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, 10846..10890, 10891..10935, 10936..10980