Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 435699: log { 5 } \sqrt { 625 } =
Click here to see answer by ewatrrr(10682)

Question 435696: \log_{10}(3x - 4)=2
x =
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Question 435710: Please help me solve this equation:
log4 3+2 log4 x =
Click here to see answer by Alan3354(31518)

Question 435693: \log_{2} x + \log_{2} (x+4) = \log_{2} 7
Click here to see answer by ewatrrr(10682)

Question 435697: log{ 3 } ( \frac {1} { 243 }) =
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Question 435697: log{ 3 } ( \frac {1} { 243 }) =
Click here to see answer by richard1234(5390)

Question 435694: 8^{7 x - 10} = ( frac{1}{16} )^{2 x - 10}
Click here to see answer by ewatrrr(10682)

Question 435812: 3(2^x-4)=5
Click here to see answer by htmentor(807)

Question 435811: log(x+1) + 5 = 2
Click here to see answer by Gogonati(817)

Question 435813: \log_ { 5 } \sqrt { 625 } =
Click here to see answer by Gogonati(817)

Question 435452: How do you solve for x: ln(2x+3)+ln(x)=ln(e)
Click here to see answer by lwsshak3(6756)

Question 435289: please help me with the following equation: Use logarithms to find an EXACT solution to the equation:
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Question 435363: what is the solution to 7lnx=21?
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Question 435987: log base 2 of 24 minus log base 2 of 3
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Question 435987: log base 2 of 24 minus log base 2 of 3
Click here to see answer by lwsshak3(6756)

Question 436156: log6 x + log6(x+4)=
Click here to see answer by robertb(4012)

Question 436157: log8 1/64 =x
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Question 436155: ln 3x=5
Simplify?
Round to 4 decimal places?
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Question 436185: the solutions of equation log2x^3=3
Click here to see answer by stanbon(57967)

Question 436187: which point from the mentioned points is the common point of the graph of the function f:y=3x^2-24x+53 A.P={53,0} B.P={0,53} C.P={0,-53} D. P={-53,0} AND PROVE THE SOLUTION
Click here to see answer by stanbon(57967)

Question 436197: 15^-x=1.326
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Question 436196: 2log(3-x)=1
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Question 436161: 2log5 x - 1/3 log5 x+4log5 x
Click here to see answer by ewatrrr(10682)

Question 436158: log4 x- log4 (x+3) + log4 (X^2 +4)
Click here to see answer by ewatrrr(10682)

Question 435856: log6 x + log6(x+4)=
Click here to see answer by ewatrrr(10682)

Question 436289: log(8x-1)=2
how would I solve this?

Click here to see answer by Gogonati(817)

Question 436289: log(8x-1)=2
how would I solve this?

Click here to see answer by MathLover1(6812)

Question 436328: How would I rewrite 1/2log s + 5 log q as a logarithm of a single quantity?
Click here to see answer by stanbon(57967)

Question 436328: How would I rewrite 1/2log s + 5 log q as a logarithm of a single quantity?
Click here to see answer by nerdybill(7003)

Question 436308: I have a formula that has 20*log(10) in it and I am confused as to what log would be in this formula. Can you please help me with this?
Click here to see answer by stanbon(57967)

Question 436189: the parabola which is the graph of the function f: y= ax^2+bx+c, b>0,c<0 does not have any common point with the x-axis the top of this parabola lies in the same quadrant as the point with the coordinates A. {-1,-1} B.{-3,2} C.{2,-2} D. {1,1} AND PROVE THE ANSWER
Click here to see answer by richard1234(5390)

Question 434755: what is the value of log6 1/36
Click here to see answer by lwsshak3(6756)

Question 434754: what is the value of log8 512
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Question 434780: what is the unknown of 3^x-7=243
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Question 434685: Solve the logarithmic equation.
log(2-x)=0.5
Click here to see answer by lwsshak3(6756)

Question 436537: Write a single logarith. Assume that the arguments of all logarirths represent positive numbers.
log4 x -log4 (x+3) +log4 (X^2+4)
Click here to see answer by stanbon(57967)

Question 436715: Please help me solve: log7 (5x+2)
The 7 should be in subscript
Click here to see answer by Alan3354(31518)

Question 436723: Please help me solve: Log3x+log3(x+9)=5

3s are both subscripts.
Click here to see answer by scott8148(6628)

Question 436733: okay, my teacher told us to read our book and do problems on the properties of logarithms. i tried to read and understand but im very confused. one problem asked to use ~ 0.4307 and ~ 0.6826 to solve these following equations. i need to solve these problems. and thank you very much.
Click here to see answer by scott8148(6628)

Question 436746: hello. we are learning about properties of logarithms. we were asked to solve these equations. and thank you very much.
Click here to see answer by josmiceli(9817)

Question 436792: The teacher gave us problems based on the properties of logarithms. I understand some but still need a help with a few.the problem and finally the harder one for me is
Click here to see answer by stanbon(57967)

Question 437149: How to find what y value in log(y)=.931
Click here to see answer by josmiceli(9817)

Question 437079: Given: LOGcX=3.1 LOGcY=1.8 LOGcZ=2.7
evaluate LOGc(XYZ)
evaluate LOGc(XY/Z)
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Question 437069: what is the answer to log4 2x = 5?
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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