Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 443831: solve log 54 + log53 in single logarithm
Click here to see answer by edjones(7569)

Question 443682: For a specified real number, twice the log of the number that is two less than the specified number will equal the log of the number that is 8 less than 3 times the specified number.
what could the specified number possibly be?
Click here to see answer by ankor@dixie-net.com(15645)

Question 443955: How do you solve ln(4x)=3
Click here to see answer by poliphob3.14(115)

Question 444033: I need to find the exact value of , given that = 8 and = -1.
Thanks!
Click here to see answer by chriswen(106)

Question 444356: Please help me express this logarithm as a single quantity:
logb a + logb c
thank you
Click here to see answer by poliphob3.14(115)

Question 444417: 2^(3x-5)= 16
Click here to see answer by ewatrrr(10682)

Question 444481: 3^6x=2^(-x-4)
using base-10 logarithms
Click here to see answer by chriswen(106)

Question 444502: Please help me solve for x: e^x+2e^-x/3=1
Click here to see answer by solver91311(16872)

Question 444582: Solve log(ln(x))=0 for x
Click here to see answer by MathLover1(6625)

Question 444748: factor completely 6u^5-8u^4-14u^3
Click here to see answer by robertb(4012)

Question 444821: I could really use this some help with this logarithm problem. I have submitted this question twice before and have not received any reply back. Please help me solve this logarithm exponential equation 6^x+1 = 10
thank you
Click here to see answer by chriswen(106)

Question 444807: log4 (x2-3) + log4 10=1
Click here to see answer by stanbon(57282)

Question 444827: Please help me solve this logarithm. The 9 is over the x and their is parenthesis around them.
log3(9)
(x)

Click here to see answer by stanbon(57282)

Question 444840: Please help me help with this logarithm, solve for y in terms of x
Log6^y= log6^4 - log6^x
Thank you
Click here to see answer by poliphob3.14(115)

Question 445114: LOG5XY^2Z^4

Click here to see answer by stanbon(57282)

Question 445150: logb*4 X^3Y^2/Z^4
Click here to see answer by stanbon(57282)

Question 445194: I am supposed to find how many words found after the time limit (t) here is the equation: L(t)=225(1-e^-0.0061t). I am supposed to find how, after 30min. and 60min., many words the student has learned.
Click here to see answer by solver91311(16872)

Question 445242: what is log (11 to the 6th power times 12) to the second power
Click here to see answer by stanbon(57282)

Question 445257: Solve the equation with a graphing calculator.Round to the nearest thousands.
log2(x+3)=2x+1
Use change of base formula
Click here to see answer by stanbon(57282)

Question 445394: Will you solve this logarithmic equation symbolically: log(4-x)=2
Click here to see answer by poliphob3.14(115)

Question 445173: Use properties of logarithms to expand the loarithmic expressions as much as possile.
log2 (4x)
Click here to see answer by ankor@dixie-net.com(15645)

Question 445396: express the following as a single logarithm: 2/3(5ln x - 3ln y - 2ln z + ln w)
Click here to see answer by lwsshak3(6481)

Question 445329: log12 (1/144)
I know that because it is 1/144 the answer will be negative but I'm not really sure about anything else. If you could explain to me how logs work that'd be great! Thank you.
Click here to see answer by lwsshak3(6481)

Question 445328: Solve equation with a graphing calculator to find solutions. Round to the nearest thousands.
3sqrt(4x+7)=x^2-3x-4
Click here to see answer by lwsshak3(6481)

Question 445740: Solve log(n+9)=log 4n
Click here to see answer by lwsshak3(6481)

Question 445357: ln(x+2) + lnx =ln 35
Click here to see answer by lwsshak3(6481)

Question 444526: x^3-5x^2+4x+6, 3 is a zero find all zeros
Click here to see answer by lwsshak3(6481)

Question 445845: how do you graph exponential functions?
Click here to see answer by stanbon(57282)

Question 445890: 1/2=log[64](8)
Click here to see answer by edjones(7569)

Question 445853: log x + log 5 = 5
Click here to see answer by nerdybill(6951)

Question 445854: log (2x + 2) – log (x + 5) =0
Click here to see answer by nerdybill(6951)

Question 445849: log x+ log 5=2
Click here to see answer by nerdybill(6951)

Question 445852: log x – log 4 = 1
Click here to see answer by nerdybill(6951)

Question 445904: log sub b (mp/nt)=
How is this written out using no powers,
Click here to see answer by Alan3354(30993)

Question 445983: what is the domain of f(x)=ln(1/x+4).
I think it works out to set x+4=0
x=-4
domain is (-inf,-4)u(-4,inf)
Click here to see answer by josmiceli(9664)

Question 446033: Use the change of base rule to find the logarithm to four decimal places.
log9 0.707

Click here to see answer by stanbon(57282)

Question 446121: logx=1/4 solve
Click here to see answer by lwsshak3(6481)

Question 444418: ln(45+6x)=2 ln(x+3)
Click here to see answer by lwsshak3(6481)

Question 446141:
(3.4)x=44

Click here to see answer by rfer(12654)

Question 446144: log ( 3 + x) - log (x - 5) = log 5

Click here to see answer by josmiceli(9664)

Question 444406: what is the inverse of y = log base3 X
Click here to see answer by lwsshak3(6481)

Question 445140: Log2(X^2+2X)=3
Click here to see answer by lwsshak3(6481)

Question 446180: Given logc2=0.387 and logc3= 0.613, and logc5= 0.898 find logc2/9
Click here to see answer by The One(11)

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