Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 326495: e^2x-6e^x+8=0
Click here to see answer by Fombitz(13828)

Question 326498: ln x = -3
Click here to see answer by Fombitz(13828)

Question 326494: 6^x = 1/216
Click here to see answer by Fombitz(13828)

Question 326493: 14e^3x+2=560

Click here to see answer by Fombitz(13828)

Question 326499: 4^y = 1/4
Click here to see answer by Fombitz(13828)

Question 326504: 12^x = 95
Click here to see answer by Fombitz(13828)

Question 326510: Write as a sum or difference of
rational multiples of natural logarithms of integers as
small as possible.
Click here to see answer by Fombitz(13828)

Question 326510: Write as a sum or difference of
rational multiples of natural logarithms of integers as
small as possible.
Click here to see answer by Edwin McCravy(8909)

Question 326492: ln square root of 3/8
Click here to see answer by Fombitz(13828)

Question 326548: Express as a product.
the b is down a little lower than the other letters

Click here to see answer by user_dude2008(1861)

Question 326550: Express as a product.

Click here to see answer by user_dude2008(1861)

Question 326557: Solve for x: ln(x^2-12)= ln(x)
Click here to see answer by user_dude2008(1861)

Question 326576: Write as a single logarithm: log(25)+2log(12)-2log(6)
Click here to see answer by user_dude2008(1861)

Question 326667: Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.
7x=6^x+7
the 6 x+7 the +7 is with the raised x
thanks yall =)
Click here to see answer by user_dude2008(1861)

Question 326665: Use properties of logarithms to expand the logarithmic expression as much as possible. where possible, evaluate logarithmic expressions without using a calculator.
2ln(x-4)-9lnx
thanks yall =)
Click here to see answer by solver91311(16885)

Question 326655: solve.(express your answer in terms of e)
8+6lnx=32
Click here to see answer by Fombitz(13828)

Question 326704: Solve the equation by expressing each side as a power of the same base and then equating exponents.
4^x+10=8^x-6
the x+10 and x-6 are raised

thank you
Click here to see answer by user_dude2008(1861)

Question 326702: Solve the exponential equation. Express the solution set in terms of natural logarithms.
2^8x=45
the 8x is raised.
e^x+5=8
the x+5 is raised.
Thank you so much this site is amazing!
Click here to see answer by user_dude2008(1861)

Question 326703: use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
logx+log(x^2-64)-log7-log(x-8)

the x^2-64 the 2 is raised.
thank you so much
Click here to see answer by user_dude2008(1861)

Question 326709: Please help me solve this equation: log[a]((x^4)/(yz^2))
Express as an equivalent expression, using the individual logarithms of w, x, y, and z
Click here to see answer by Fombitz(13828)

Question 326750: express as a sum, difference, and product of logarithms, without using exponents.
logb fourth root x^5b^9/y^7z^10
Click here to see answer by Fombitz(13828)

Question 326744: The number of dislocated eletric impulses per cubic inch in a transformer increases when lightning strikes by D=1900(2)^x where x is the time in milliseconds of the lightning strike.Find the number of dislocated impulses at x=0 and x=4
My answer is 1900 and 7600/.I need to know if this is wrong, please and what the right answer is.Thank you
Click here to see answer by Fombitz(13828)

Question 326835: The number of dislocated electric implusesper cubic inch in a transformer increases when lightning strikes by D = 1900(2)^x, where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 anbd x = 4.
Click here to see answer by solver91311(16885)

Question 326726: Log16base4+log1base2+log1/9base3
Click here to see answer by Fombitz(13828)

Question 326834: simplify log[7] 7^5
Click here to see answer by jessica43(140)

Question 326879: Please help me solve this equation.
Click here to see answer by Fombitz(13828)

Question 326879: Please help me solve this equation.
Click here to see answer by jessica43(140)

Question 326922: Suppose that $4000 is invested at an interest rate of 5.5% per year, compounded continuously. What is the balance after 8 years?
Click here to see answer by solver91311(16885)

Question 326514: 3^(x+2)=1/9
Click here to see answer by Apathious(24)

Question 326956: State the equation of the line asymptotic to the graph y=-log3.5x
Click here to see answer by stanbon(57347)

Question 327063: Express as a sum, difference, and product of logarithms, without using exponents
logb 4 square root of ((x^5b^9)/(y^7z^10))
a: 5/4 logb x+9-7logb y-10logb z
b: 5/4 logb x+ 9/4-7/4 logb y-5/2 logb z
c: 1/4 (logb x^5+logb b^9- logb y^7 +logb z^10)
d: 5/4 logb x+9/4 -7/4 logb y+ 5/2 logb z
Click here to see answer by Fombitz(13828)

Question 327113: Simplify.
loga a^3233
Click here to see answer by stanbon(57347)

Question 327136: Need help, please!
When the pH of a patient’s blood rises above 7.4, a condition called alkalosis sets in. Alkalosis can be deadly when the patient’s pH reaches 7.8. What would the hydrogen ion concentration of the patient’s blood be at that point?
Click here to see answer by stanbon(57347)

Question 327235: For what values of x is the following true?
ln(2x+3) = 2lnx+ln3
Thanks!
Click here to see answer by stanbon(57347)

Question 327387: log2x=1/4log(x-15)^4 value ofx

Click here to see answer by stanbon(57347)

Question 327577: How do you solve: ln(x)+ln(x+12)=9
Click here to see answer by Alan3354(30993)

Question 327577: How do you solve: ln(x)+ln(x+12)=9
Click here to see answer by scott8148(6628)

Question 327451: log x +log (x+3) =log 54

What are the steps in solving this?
Click here to see answer by scott8148(6628)

Question 327728: What is the logarithm of 1500?
Click here to see answer by Alan3354(30993)

Question 327788: Find the center of the circle with the equation x2 + y2 – 5x + 3y = 0
Click here to see answer by galactus(183)

Question 327864: log4(4096)
Click here to see answer by josmiceli(9678)

Question 327899: 2log 3log x = -1
Click here to see answer by Fombitz(13828)

Question 327898: log5 7z=
Click here to see answer by Fombitz(13828)

Question 327839: Use the change-of-base formula to rewrite the logarithm. f(x)=log1/4 X
i do not know how i should do it.
Click here to see answer by Fombitz(13828)

Question 327865: log 16 to the 4th power
Click here to see answer by rapaljer(4667)

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