Questions on Algebra: Exponent and logarithm as functions of power answered by real tutors!

Tutors Answer Your Questions about Exponential-and-logarithmic-functions (FREE)

Question 193187: log2y=1/3log227
Click here to see answer by Alan3354(69443)

Question 193203: Sorry if this is the wrong field for my question, but I need help on powers to a fraction, the format i'm looking for is the way to solve than you so much, i need this as soon as possible.
Also i need help with logarithms such as how to solve
Click here to see answer by Alan3354(69443)

Question 193208: I need to find how to solve
Click here to see answer by Alan3354(69443)

Question 193209: I need to solve for X on the equation
Click here to see answer by stanbon(75887)

Question 193213: what i mean is how i solve this without a calculator, because i dont know how to solve for X on the equation so what do i do, I know that X=3 when the equation is but i need to know why
Click here to see answer by jim_thompson5910(35256)

Question 193527: Could you please provide me a detailed explanation of how to solve the following problem

ln (1 /
Click here to see answer by jim_thompson5910(35256)

Question 193526: It is okay to use a calculator to the solution to the following problem...

1 / 2 +
Click here to see answer by Mathtut(3670)

Question 193552: USE SYNTHETIC SUBSTITUTION TO EVALUATE THE POLYNOMIAL FUNCTION FOR THE GIVEN VALUE OF X.

F(X)=X^3+5X^2+4X+6 X=2
Click here to see answer by RAY100(1637)

Question 193555: USE SYNTHETIC SUBSTITUTION TO EVALUATE THE POLYNOMIAL FUNCTION FOR THE GIVEN VALUE OF X.

F(X)=5X^3-4X^2-2 X=0
Click here to see answer by RAY100(1637)

Question 193541: Could you please provide me with a detailed explanation on how to solve the following...
log2 (5) - log2 (15) + log2 (24)
Click here to see answer by stanbon(75887)

Question 193540: Could you please provide me with a detailed explantation on how to solve the following...
log 2

Click here to see answer by jim_thompson5910(35256)

Question 193557: Could you please provide a detailed explanation of how to solve the following...
5^3log3(2)
Click here to see answer by stanbon(75887)

Question 193616: Led Zeppelin once played a concert which exerted sounds of 10 000 times the intensity of a sound that can just be heard. What is the loudness in decibels?
Click here to see answer by stanbon(75887)

Question 193646: True or False...

2^log4(1/2)= 1/2

If false could you show me how to find the correct answer. Thanks!
Click here to see answer by Alan3354(69443)

Question 193637: How do you find the solution for...
5^3log3(2)
Click here to see answer by Alan3354(69443)

Question 193659: To Alan3354 Clarification on Question 193637

Your second option is the correct form of the question that I need help with.

Click here to see answer by Alan3354(69443)

Question 193667: Find (x) in each case...

f(x) = + 2

f(x) =
Click here to see answer by RAY100(1637)

Question 193715: If log[4](sqrt64)=(a)/(b) (where the fraction is written in reduced form,) then a=? and b=?
Click here to see answer by jim_thompson5910(35256)

Question 193720: if log{a}((x^3)/(y{z}^16))=Alog{a}(x)+Blog{a}(y)+Clog{a^2}
A=? B=? C=?
Click here to see answer by jim_thompson5910(35256)

Question 193724: -5ln(x^2+1)-9ln(x-5)+6ln(2x+3)=ln(?)
Click here to see answer by user_dude2008(1862)

Question 193723: ln(8)+2ln(x)+5ln(x^(2)+8)=ln(Ax^(2)(x^(2)+8)^(b))
A=? and b=?
Click here to see answer by user_dude2008(1862)

Question 193717: ln(lne^e^100)
Click here to see answer by user_dude2008(1862)

Question 193849: rewite 3(ln)4 as the logarithm of a single number
Click here to see answer by orca(409)

Question 193873: log(2x-3)=0
Click here to see answer by edjones(8007)

Question 194054: What is log(1/10)?
Click here to see answer by nerdybill(7384)

Question 193874: let log2=0.03+log3=0.05 find
log(3/2)
Click here to see answer by nerdybill(7384)

Question 194303: How many combinations of 6 volunteers can be selected from a group of 9 volunteers?
Is it 504?
Click here to see answer by edjones(8007)

Question 194425: Write the following as the logarithm of a sinle expression with coefficient 1:
3Log3(6) + 2Log3(5)

Click here to see answer by user_dude2008(1862)

Question 194466: A one-time deposit is made into an account that pays an APR of 8.5% compounded continuously. How long does it take for the worth of the account to triple?

Could you please provide a detailed explanation of how you achieved the solution. Thanks!

Click here to see answer by vleith(2983)

Question 194462: A radioactive substance has a half-life of 200 years. We currently have 15 grams of the substance.

How long until only .5 grams of the substance remains radioactive?

Could you please provide a detailed explanation of how you achieved the solution. Thanks!

Click here to see answer by Edwin McCravy(20059)

Question 194615: I need help solving this 3^x=40
Click here to see answer by edjones(8007)

Question 194745: Condense
6log2x-36 log 2 y
Click here to see answer by jim_thompson5910(35256)

Question 194877: How do you solve this problem: log10x = 3log10 2
Click here to see answer by user_dude2008(1862)

Question 194916: Please help me with this problem: ln(4)-ln(x)=10
Click here to see answer by jim_thompson5910(35256)

Question 194916: Please help me with this problem: ln(4)-ln(x)=10
Click here to see answer by solver91311(24713)

Question 195310: How do you algebraically find the solution to the following problem?
log(79-3x) + log(x) = 2
Click here to see answer by ankor@dixie-net.com(22740)

Question 195310: How do you algebraically find the solution to the following problem?
log(79-3x) + log(x) = 2
Click here to see answer by solver91311(24713)

Question 195448: Open-Ended Give an example of an exponential equation whose
solution is a negative number.
Click here to see answer by J2R2R(94)

Question 195449: Write each expression as a single natural logarithm.
30. 2 ln 10 - ln 5
31. 5 ln a + 3 ln b
32. 2 ln z - 1/2
(ln x 1 +3 ln y)
Click here to see answer by windsolace(8)

Question 195453: Writing.. Describe the effect of different values of a on the function y = ab^x.
Click here to see answer by solver91311(24713)

Question 195452: Investment You put $2000 into an account earning 4% interest
compounded continuously. Find the amount at the end of 8 yr.
Click here to see answer by Mathtut(3670)

Question 195452: Investment You put $2000 into an account earning 4% interest
compounded continuously. Find the amount at the end of 8 yr.
Click here to see answer by solver91311(24713)

Question 195450: Write each logarithmic expression as a single logarithm.

24. log 2 + 3 log 1 2
25. log a - log ab
Click here to see answer by Alan3354(69443)

Question 195522: Ok so I have the solutions to the problem...but I keep coming up with the wrong answer and I don't understand why. Here's the problem:

The instructions are to solve each equation or inequality. Round to four decimal places.
Here's what I've tried:

The book says that the solution is 3.716
Click here to see answer by Edwin McCravy(20059)

Question 195736: These are problemsusing expotential equations. Any help you could offer would be greatly appreciated because I am struggling with these. Thank you.
1. The volume of a cubical bin is 27 cubic feet. What are the length, width, and height?
2. The formual for nth term b of a geo series is b=ar to the n-1
Find n when b=1024 a=16 4-2
3. If a set has three elements, how many subsets does it have?
Click here to see answer by jim_thompson5910(35256)

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