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 534035: I am stuck on this problem. I am supposed to solve for x:
e^0.5x=3^(1-2x)
Thanks for any assistance you can give.
Click here to see answer by Earlsdon(6294)

Question 534105: log 2x+ log x=5
2logx+ log4-2=0
Click here to see answer by fcabanski(1391)

Question 534786: I am stuck on how to solve the problem 6^-3x=15
I do not understand logrithms at all.
Thank you for your help.
LC
Click here to see answer by josmiceli(19441)

Question 534847: What is the exponential function of 32^x+1=64^y+2?
Click here to see answer by Edwin McCravy(20059)

Question 535555:

I cannot figure out how to solve this with my TI-84. Could you please help me solve this? the power is not just x but x+3 over the 5 and x-5 over the 6. I am sorry I do not know how to illustrate this any better.
Click here to see answer by boilpoil(127)

Question 535939: Use trial and error to factor the trinomial, or state that the trinomial is prime.
3x^2 + 11x - 20
Click here to see answer by josmiceli(19441)

Question 536108: log[6](216)=-√x+16
i need help to solve this equation
Click here to see answer by Alan3354(69443)

Question 536827: Write this with just one logarithm
1/4 log( 3, 5 ) + 7 log( 3, 1/5 )
The answer is -27/4 log( 3, 5 )
What's the method please. Thanks
Click here to see answer by fcabanski(1391)

Question 536820: Find x
log( 1/2, x ) = -1/3
The answer is 2 1/3
What's the method please. Thanks
Click here to see answer by fcabanski(1391)

Question 538412: Hi i need help solving this problems: log5^1/25, log5^125, log3^1/9, log5^1/25+log5^25-log5^125
Click here to see answer by stanbon(75887)

Question 538570: how do you solve (2a^4x^2)^2(4ax^2)^-2
Click here to see answer by stanbon(75887)

Question 540365: logx(1/10)=-1
Click here to see answer by jim_thompson5910(35256)

Question 540485: I need help with this type of formula F(t)=P(1+r/n)^nt. My P is 40,000,R is 10%, T is 18 yrs, and n is 2.
Click here to see answer by mananth(16946)

Question 540383: solve this system algebraically y=x2-5
y= x+1
Click here to see answer by ankor@dixie-net.com(22740)

Question 540535: At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years?
Click here to see answer by Alan3354(69443)

Question 541165: Compute log base 6 (96) to the nearest thousandth
Click here to see answer by lwsshak3(11628)

Question 541271: ln10+lnx^2=10

Click here to see answer by josmiceli(19441)

Question 541271: ln10+lnx^2=10

Click here to see answer by bucky(2189)

Question 542546: I need help on how to solve this and how to solve this with a calculator. Can someone please help me?
2.0e^(-1.5x)=1
Click here to see answer by stanbon(75887)

Question 542546: I need help on how to solve this and how to solve this with a calculator. Can someone please help me?
2.0e^(-1.5x)=1
Click here to see answer by Earlsdon(6294)

Question 543180: How do you solve problems like 27^(2-x)=(1/3)?
Click here to see answer by jpg7n16(66)

Question 543473: Can you please help me solve this equation?

It is the log of ten since it is not stated.
Do you switch it to exponential form?
Click here to see answer by stanbon(75887)

Question 543537: express 5Ln(x) = 25 as an exponential equation?
Click here to see answer by lwsshak3(11628)

Question 543535: Express 5e^x = 25 as a logarithmic equation.
Click here to see answer by lwsshak3(11628)

Question 543581: Solve for x algebraiclly
Log base 2 (4) + Log base 2 (x) = 1
Click here to see answer by lwsshak3(11628)

Question 543949: Still trying to help the daughter with homework, has been way too long for me. Thanks for your help.
Solve and graph
2x + 3y ≥ 15

Click here to see answer by Alan3354(69443)

Question 544634: Hi, I have a question concerning The " Natural Base" .
e with an exponent of 6
If thats not to clear maybe you could let me know and I will try to put it differant.
Thank you very much!
Click here to see answer by KMST(5328)

Question 544975: hello!. I need a solution for logarithmic function 3/5**log5 by using method of base change. Thank you.

Click here to see answer by stanbon(75887)

Question 544976: log10 x + log10 (x+21)=2
1og10[x(x+21)=2
x^2+21x=2
x^2+21x-2=0
Click here to see answer by stanbon(75887)

Question 544980:

2^x+4=1/32
Click here to see answer by cira554(7)

Question 544987:
(1/7)^x-3 = 343
Click here to see answer by cira554(7)

Question 544977: log2 3x + log2 5 =log2 30
Click here to see answer by nerdybill(7384)

Question 544979:
log7 24 - log7 (x+5)= log7 8
Click here to see answer by cira554(7)

Question 545044: I am trying to solve this problem:
7^x=8^(x+7)
I'm looking not just for the answer...I need to know how to solve it.
Click here to see answer by Alan3354(69443)

Question 545107: how do we solve log8=logx+log(2x)
Click here to see answer by Earlsdon(6294)

Question 545106: how do we solve log16-log2x=4?
Click here to see answer by ankor@dixie-net.com(22740)

Question 545187: how do i solve g(x)=2x^3, find g(6+h)
Click here to see answer by saifoo.khan(162)

Question 545538: log base7 (3x-11)=2
Click here to see answer by stanbon(75887)

Question 545747: 1/2^-5
Click here to see answer by saifoo.khan(162)

Question 545825: log2 256=x
Find the value of x
Click here to see answer by vleith(2983)

Question 546378: -6m^2(3mn+13m-5n)
Click here to see answer by saifoo.khan(162)

Question 546826: Find the exact soulution to each equation:
3log(x)=log(x)
What I have so far:
log( )= log(x)
Click here to see answer by Earlsdon(6294)

Question 546806: given that the half life of a certain radioactive substance s 20 days and there are 5 grams present initially, the equation that models the situation is s(t)=5(1/2)^t/20. Find the time when here will be 1 gram of the substance remaining
Click here to see answer by KMST(5328)

Question 547517: Find the slope of the line the contains the points (6,-8) and (-2,-4)
Click here to see answer by mananth(16946)

Question 547568: What is 16, base 2?
What does base 10 mean..like 1,000,000 base 10
Click here to see answer by unlockmath(1688)

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