Questions on Algebra: Logarithm answered by real tutors!

Tutors Answer Your Questions about logarithm (FREE)

Question 605090: I was wondering how do you make this equation to the high power 64 pi divided by 2 pi
Click here to see answer by stanbon(57395)

Question 605106: xlog(43)=7+e^1.9
Click here to see answer by stanbon(57395)

Question 605068: how do you solve:
log base 3 (x+4)+log base 3 (x-2)=3
Click here to see answer by ankor@dixie-net.com(15661)

Question 605215: True or False:
a. A natural logarithm is a logarithm in which the base is 10
b. If 2 log3 (81) = 8, then log3 (6,561) = 8
c. log(N)is negative when N > 1
d. If 2 log3 (81) = 8, then log3 (81)=4
Click here to see answer by lwsshak3(6522)

Question 605234: Solve for the variable:

Click here to see answer by lynnlo(4164)

Question 605276: hello. could you help me get started on my problems by doing one for me?
it is
Click here to see answer by Edwin McCravy(8912)

Question 605291: how do you solve 2y^3+17y^2+37y+7 divided by 2y+7
Click here to see answer by lynnlo(4164)

Question 605289: Log9(x+40) Domain of this graph?
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Question 605412: log(6x+3)=1+log(x-6)
Click here to see answer by stanbon(57395)

Question 605412: log(6x+3)=1+log(x-6)
Click here to see answer by bucky(2189)

Question 605661: An artifact was found and tested for its carbon-14 content. If 72% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? Use that carbon-14 has a half-life of 5,730 years

Click here to see answer by lwsshak3(6522)

Question 605773: Please help me solve this equation:
log(x+3)=2+log(x)
Click here to see answer by stanbon(57395)

Question 605780: Please help me solve this equation:

Click here to see answer by mathie123(224)

Question 605778: Please help me solve this:
10^3log(x)=27
Click here to see answer by nerdybill(6963)

Question 605813: Express as a single logarithm and simplify, if possible

log(base c)(8x)+4 multiplied by (log(base c)(y))
Click here to see answer by nerdybill(6963)

Question 605872: Write the expression as a sum and/or difference of logarithms, with powers expressed as factors:
log[(n-2)^3squareroot n-5]
_____________________
n^2
Click here to see answer by lwsshak3(6522)

Question 605869: find the exact value of the logarithm without using a calculator:
log3 (1/81)
Click here to see answer by htmentor(789)

Question 605892: Graph the following equations. (clearly label at least 3 points on each graph)
y= log x^2+1
Click here to see answer by lwsshak3(6522)

Question 605777: Please help me solve this equation:
50e^-0.058x=100
Directions: find exact answer then round to four decimal places.
Click here to see answer by ankor@dixie-net.com(15661)

Question 605868: Change from logarithmic form to exponential form and solve for X:
logx=3
Click here to see answer by lwsshak3(6522)

Question 605866: Change from exponential form to logarithmic form and
a. solve for x (exact solution): 3^x-2 = 7
b. use your calculator to solve (Round to nearest thousandth):
Click here to see answer by lwsshak3(6522)

Question 605871: Write the expression as a single logarithm:
3lnx -3ln y-ln2+1/2ln z
Click here to see answer by lwsshak3(6522)

Question 605781: Please help me solve this equation:
log(subscript 5)((15x^5y^7)/(z^6))
Directions: write out as sums and differences, simplify as much as possible.
Click here to see answer by lwsshak3(6522)

Question 605790: What is 2logx-(3logy+logz) equivalent to? Thanks
Click here to see answer by lwsshak3(6522)

Question 605596: Write the following expression as a single logarithm:
3lnx-3lny-ln2+1/2lnz
The following is what I have...am I correct and if not, please help me answer the above question....
lnx^3-lny^3-ln2+ln(square root of Z)
ln (x^3 (square root of z)/2y^3)- this is what I think the answer should be
Please advise. Thank you!
Click here to see answer by lwsshak3(6522)

Question 605597: expand log2x^3(x^2-1) using the properties of logarithms
Click here to see answer by lwsshak3(6522)

Question 605522: when written as a single logarithm ln 3x + 2(ln y - 1/2 ln z) is equivalent to what?
Click here to see answer by lwsshak3(6522)

Question 605353: log base4(7x-8)=log base4(5x+3)
Click here to see answer by lwsshak3(6522)

Question 605186: simplify in terms of a single logarithm with base 4
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Question 605075: I need help solving the problem 2^(x^2)=7^x, or 2 to the x-squared power equals 7 to the x power. Thanks in advance for your help.
Click here to see answer by lwsshak3(6522)

Question 606056: What is the graph of f(x)= log in base 2 (x-6)
Click here to see answer by lwsshak3(6522)

Question 605053: ln(6x-1)= ln3-ln(x-3)
Click here to see answer by lwsshak3(6522)

Question 604961: make single logarithm
lnx-8[ln(x-2)+ln(x+2)]
Click here to see answer by lwsshak3(6522)

Question 604014: Please help me solve this question .Solve for X: (x+1)^2/3=8
Click here to see answer by lwsshak3(6522)

Question 604924: Rewrite the expression 2log(3)(x+3)-5log(3)(2x-1)+log(3)5 as a single logarithm with coefficient 1. thanks
Click here to see answer by lwsshak3(6522)

Question 604004: solve the equation for x: log(2x+7)=0.25
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Question 602054: How do I solve 12e^(4x-3)=72
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Question 606229: solve 2 log with base of 3 of x equals 54
Click here to see answer by Alan3354(30993)

Question 606158: Use algebraic procedures to find the solution of e^ln(x-1) = 4
ln(x-1) is the exponent.
Thank you!
Click here to see answer by nerdybill(6963)

Question 606283: Use common or natural logarithms to solve the exponential equation symbolically.
4^(7-3x)=1/16
Click here to see answer by solver91311(16897)

Question 606363: Convert to logarithmic form:
8 ^ 5/3 =32
Click here to see answer by ewatrrr(10682)

Question 606413: I need to evaluate log 0.001 without a calculator, but how?
Click here to see answer by richard1234(5390)

Question 606413: I need to evaluate log 0.001 without a calculator, but how?
Click here to see answer by Earlsdon(6287)

Question 606370: what would this equal to ? (3^2)^2 What would be the answer! I forgot

Click here to see answer by richard1234(5390)

Question 606686: How do I solve:

Click here to see answer by mathie123(224)

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