Questions on Algebra: Logarithm answered by real tutors!

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


   



Tutors Answer Your Questions about logarithm (FREE)


Question 807065: rewrite in terms of multiple logarithms of single variables log(3)((3x^(2)y^(5))/(z^(4)t^(8)). log(3) = base 3
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 807004: Use a change of base formula to evaluate the given logarithm. Approximate to three decimal places.
log7(88.32)

Click here to see answer by lwsshak3(11628) About Me 

Question 807342: Solve for x to 4 decimal places. e^-4=5.7
Click here to see answer by Alan3354(69443) About Me 

Question 807354: Express in terms of 3 and 5. Log225
Click here to see answer by josmiceli(19441) About Me 

Question 807950: Solve and check
a) log(3x+2) + log(x-1) = 2

Can you please help me out? Thanks so much in advance:)

Click here to see answer by Alan3354(69443) About Me 

Question 807951: Solve and check
a) 2log(x-1) = 2+log100

Can you please help me out? Thanks so much in advance:)

Click here to see answer by Alan3354(69443) About Me 

Question 807949: Solve and check
a) log(x+2) + log(x-1) = 1

Can you please help me out? Thanks so much in advance:)

Click here to see answer by Alan3354(69443) About Me 

Question 807906: Solve and check
2log(x-1) = 2+log100
Can you please help me out? Thanks so much in advance :)

Click here to see answer by josmiceli(19441) About Me 

Question 807905: Solve and check
log(3x+2) + log(x-1) =2
Can you please help me out? Thanks so much in advance :)

Click here to see answer by lwsshak3(11628) About Me 

Question 807767: f(x)= 1/2 logx-5
what is the transformation, domain, and Vertical Asymptote?

Click here to see answer by lwsshak3(11628) About Me 

Question 799673: log x*1 = 0
Click here to see answer by tommyt3rd(5050) About Me 

Question 808036: 2log(x-1) = 2 + log100
Can you please help me? Thank you

Click here to see answer by rothauserc(4718) About Me 

Question 807338: How do I expand ln5x^6/11y^7
Click here to see answer by tommyt3rd(5050) About Me 

Question 808166: find the exact value of the logarithm without using a calculator
3lne^4

Click here to see answer by Alan3354(69443) About Me 

Question 807357: Is it possible to solve: 2^p=-2
I started going: Plog2=log-2
But you cannot divide log-2 by log2

Click here to see answer by tommyt3rd(5050) About Me 

Question 797342: log3^-4log8^x=2^x
Click here to see answer by tommyt3rd(5050) About Me 

Question 802376: Simplify:

log (x^12/y^3)

Click here to see answer by tommyt3rd(5050) About Me 

Question 801209: how to expand log base4 (3x-2)^5 ?
Click here to see answer by tommyt3rd(5050) About Me 

Question 808241: 5[log(x) +2]=9
Click here to see answer by Alan3354(69443) About Me 

Question 808320: what is x when common log is = to -2
Click here to see answer by Alan3354(69443) About Me 

Question 808262: Solve using Algebra:
log(1/3x)-5 =2
e^x+3.2 = 4.7

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 808395: 729=9^3
Click here to see answer by jim_thompson5910(35256) About Me 

Question 808456: Please help me solve this logarithm: log5 (2x^2 - 3x + 1) - log5 (x - 1) + log5 125 = 6. If you could, please show step by step. Thank you.
Click here to see answer by MathLover1(20855) About Me 

Question 804577: 2ln3x+ln2=lnx
Click here to see answer by tommyt3rd(5050) About Me 

Question 807716: Find the logarithm using the change of base formula
log (base)o.1 ^6

Click here to see answer by tommyt3rd(5050) About Me 

Question 808663: what is the Logarithmic equation for:
27^(-2/3)=(1/9)

Click here to see answer by Alan3354(69443) About Me 

Question 808530: log(x+1)+log(x-1)=log(3)
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 808990: How do I find the value of this logarithum?
Given that log(5) ≈ 0.6990, find the value of the logarithm.
log(sqrt(5))

Click here to see answer by lwsshak3(11628) About Me 

Question 808569: rewrite log"c"(p-q)-2log"c"(p+q) as a single logarithm where "c" is the base.
Click here to see answer by lwsshak3(11628) About Me 

Question 807721: Express as an equivalent expression that is a single logarithm and, if possible simplify.
log (base)a x^3 - 4log (base)a √x

Click here to see answer by lwsshak3(11628) About Me 

Question 809295: http://i.imgur.com/awhGZBa.png

Hello!
My problem is
log[1/4](1/1024) = x
Find the value of x.
No idea how to solve this, could use some help! Thanks in advance

Click here to see answer by Alan3354(69443) About Me 

Question 809673: 3log(6)x + 5log6(x - 6) as a single logarithm?
Click here to see answer by josmiceli(19441) About Me 

Question 809892: Can I please get help to solve 'x' for the following question? I would really appreciate it.
2x = 32

Click here to see answer by MathLover1(20855) About Me 

Question 809889: Can I please get some help to complete the following question? I would really appreciate it.
Write 36 1/2 = 6 in logarithmic form.

Click here to see answer by josmiceli(19441) About Me 

Question 809899: Can I please get some assistance to solve 'x' for the following question? I would appreciate any help.
logx 27=3/4

Click here to see answer by josgarithmetic(39792) About Me 

Question 809893: I'm struggling to answer this question. Can I please get some help? I would really appreciate.
The sales of a new electronic gadget are growing exponentially such that a
total of 10000 gadgets were sold in 2000 and 82700 gadgets were sold in
2002. If this trend continues, in what year will sales of the gadget reach or
exceed 500 000?

Click here to see answer by josgarithmetic(39792) About Me 

Question 809911: Can I please get some help to solve 'x' for the following question? I will be so thankful
log4 x=3

Click here to see answer by jim_thompson5910(35256) About Me 

Question 809937: http://i.imgur.com/Jt0RFW9.png
Find the value.
log[9] 1/3


Have no idea how to solve this without a calculator, could use some help!

Click here to see answer by jim_thompson5910(35256) About Me 

Question 810322: How do you solve this?
log(x+4)+log(x)=9

Click here to see answer by josgarithmetic(39792) About Me 
Question 810322: How do you solve this?
log(x+4)+log(x)=9

Click here to see answer by josmiceli(19441) About Me 

Question 810344: solve the equation
log5 (x-2) + log8 (x-4) = log6 (x-1)

TYVMuch!!!

Click here to see answer by erica65404(394) About Me 

Question 799304: http://imgur.com/Z4hZTUR
what is the value of x?

Click here to see answer by tommyt3rd(5050) About Me 

Question 810577: Solve
a) (x^2 + 3x - 3) ^ 1/2 = x+1
Can you please help me out? Thanks so much in advance:)

Click here to see answer by stanbon(75887) About Me 

Question 810579: Solve
a) x^(1/2) - x ^(1/4) - 2 = 0
Can you please help me out? Thanks so much in advance:)

Click here to see answer by stanbon(75887) About Me 
Question 810579: Solve
a) x^(1/2) - x ^(1/4) - 2 = 0
Can you please help me out? Thanks so much in advance:)

Click here to see answer by Okeke_Christian(26) About Me 

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, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045