Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 240402: solve for X: log (log base e of X)=1
Click here to see answer by JimboP1977(311)

Question 240493: Rewrite as a sum and/or difference of multiples of logarithms:
ln((3x^2)/square root 2x+1))....my answer was 2ln(3x) + 1/2ln(2x+1) is this correct?
Click here to see answer by jim_thompson5910(35256)

Question 240520: what is x if: logx(16)=-2
I have x^-2=16
x^-2^-1=16^-1
x^2=1/16
2 squareroot 1/16
Click here to see answer by jsmallt9(3759)

Question 240549: how do you solve log base 4 of 16x
Click here to see answer by Alan3354(69443)

Question 240625: how would you graph y=log(subscript 4)x?
Click here to see answer by solver91311(24713)

Question 240638: How would i rewrite this as a single logarithm?
3ln(x)+3/4ln(x+1)-ln(2x+3)
Click here to see answer by rapaljer(4671)

Question 240616: P=13500+22ln(t+1), where t is th etime in years from the present. In how many years will there be 18,000 omsects?(round to the nearest tenth of a year).
18,000=13,500+22ln(t+1)
4,500=22ln(t+1)
204.5=ln(t+1)
Click here to see answer by rapaljer(4671)

Question 240559: Solve: 2log(base4)x+log(base4)3=log(base4)x-log(base4)2

Click here to see answer by rapaljer(4671)

Question 240665: Express in logarithmic form of 64�=8
Click here to see answer by jsmallt9(3759)

Question 240665: Express in logarithmic form of 64�=8
Click here to see answer by Theo(13342)

Question 240670: what is the answeat to log8/logx=3
Click here to see answer by stanbon(75887)

Question 240649: 7(1 divided by 7)^7-t=7
Click here to see answer by checkley77(12844)

Question 240762: Solve for b:
logb8=-3
Click here to see answer by jsmallt9(3759)

Question 240762: Solve for b:
logb8=-3
Click here to see answer by JimboP1977(311)

Question 240650: A thermometer that reads 80 degree C is brought into a room that is at 20 degree C. exactly three minutes later, it reads 70 degree C. when will it read 50 degree C?
Click here to see answer by JimboP1977(311)

Question 240400: Evaluate (log base B of B)^2
Click here to see answer by JimboP1977(311)

Question 240106: Could you please help me answer this logarithm? The instructions are: Use properties of logarithms to write the following expressions as a single logarithm with a coefficient of one.
log2(55y)- log2(5x)
Click here to see answer by JimboP1977(311)

Question 241116: 2log4-log3+2logx-4=0
Click here to see answer by Alan3354(69443)

Question 240287: find correct to two decimal places the volume of a cylinder of height = 221.1 cm and base radius 12 cm. ( pie value=3.142)
solve the problem using log.

pls do help me out 2 solve dis problem..
Click here to see answer by Alan3354(69443)

Question 241166: so im not sure if i need to go another step when they say "write the following expression as a single logarithm"
Equation: 1/4log(x)-slog(y)+7/10log(z)
My anzwer: log(x^4 square root (z^7))/square root (y)
Do i need to go another step?
Click here to see answer by Alan3354(69443)

Question 240286: given logx+y/log2 = log x-y/log3 = log64/log 0.125
find the values of x and y

please do reply of d above ques...
Click here to see answer by Alan3354(69443)

Question 241188: ln (3x-4)= 7
Click here to see answer by solver91311(24713)

Question 241186: please help me solve this
log (6x+5) - log (3) = log (2) - log (x)
Click here to see answer by solver91311(24713)

Question 241161: expand the expression, log base 4 (4^7 times 3^7)
Click here to see answer by JimboP1977(311)

Question 240397: which is greater log base e 10 or log base 10 e? explain
Click here to see answer by Alan3354(69443)

Question 240406: TRUE/FALSE: log (A-B)= log A divided by log B
TRUE/FALSE: log A-log B = log A divided by log B
Click here to see answer by Alan3354(69443)

Question 241405: I am trying to solve (2x^2)*(e^2x)-(5xe^2x)=3e^(2x)
this has completely stumped me.
Click here to see answer by jsmallt9(3759)

Question 241397: how to solve: 4^(3x-1)=3^(x-1)
i can't rember how to solve for x.
i am lost.
Click here to see answer by edjones(8007)

Question 241431: log cube root(x^2+21x)=2/3
please be specific on how to solve.
thank you
Click here to see answer by jsmallt9(3759)

Question 241449: lnb=4, need exponential form

Click here to see answer by Alan3354(69443)

Question 241460: 3^(x^2+1)=243
solve for x. please explain
Click here to see answer by edjones(8007)

Question 241462: 6e^(2x)-16e^x=6
solve for x. please explain
Click here to see answer by Alan3354(69443)

Question 241462: 6e^(2x)-16e^x=6
solve for x. please explain
Click here to see answer by stanbon(75887)

Question 241478: Solve for x: log(x^6)=(log x)^2
Note, there are 2 solutions, A and B where A A=?
B=?
Any help would be greatly appreciated. I'm really stuck on this one. Thanks.
Click here to see answer by Alan3354(69443)

Question 241480: please help me solve:
log base 5 (x^2+x+4)=2
Click here to see answer by stanbon(75887)

Question 241498: Solve the following equation using the Quadratic Formula.
2x�-11x-2=0
The solution set is { }
Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.

Click here to see answer by Alan3354(69443)

Question 241461: e^x=2^(x-1)
solve for x. please explain
Click here to see answer by jsmallt9(3759)

Question 241573: Solve the equation by the method of your choice. 2x�-3x=2. What is the solution set?
Click here to see answer by nerdybill(7384)

Question 241573: Solve the equation by the method of your choice. 2x�-3x=2. What is the solution set?
Click here to see answer by stanbon(75887)

Question 241592: 2x�-3x=9. The solution set is__________
Click here to see answer by stanbon(75887)

Question 241592: 2x�-3x=9. The solution set is__________
Click here to see answer by checkley77(12844)

Question 241329: log(2 -3y)+2log4 =log(1-y)+3
and all logarithms are to base 2.
deterime the valve of y
Click here to see answer by jsmallt9(3759)

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, 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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