# Questions on Algebra: Logarithm answered by real tutors!

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 239299: Find domain: f(x)= log(x^2-7x+6) f(x)= ln(log(2x+4)) f(x)= square root of (1-x^2)/x [Square root is only for numerator] Evaluate: log -2(-2 subscript) square root of 4 Click here to see answer by edjones(7569)

 Question 239555: how do I solve the logarithmic equation: 7lnx=21? Click here to see answer by Alan3354(31509)

 Question 239898: If LOGaX = 2 and LOGaY = 3, what does LOGaX^3Y equal? Click here to see answer by jsmallt9(3296)

 Question 240209: solve the exponential equation. e^2x + e^x -6=0 Click here to see answer by nerdybill(7003)

 Question 240207: solve this logarithmic equation & give the exact answer. log(base)3 (x+6) + log(base)3 (x-6) - log(base)3 x =2 Click here to see answer by nerdybill(7003)

 Question 240279: Express irrational solutions in exact form as a decimal rounded to 3 decimal places. log2(3x+2)- log4 X=3 Click here to see answer by Alan3354(31509)

 Question 240290: given that log xy=2, logy/x+log 4 = 2, find the values of x and y. Click here to see answer by solver91311(17072)

 Question 240403: if log base e of X =6, then log base e of (eX)= Click here to see answer by JimboP1977(308)

 Question 240402: solve for X: log (log base e of X)=1 Click here to see answer by JimboP1977(308)

 Question 240493: Rewrite as a sum and/or difference of multiples of logarithms: ln((3x^2)/square root 2x+1))....my answer was 2ln(3x) + 1/2ln(2x+1) is this correct? Click here to see answer by jim_thompson5910(28704)
 Question 240493: Rewrite as a sum and/or difference of multiples of logarithms: ln((3x^2)/square root 2x+1))....my answer was 2ln(3x) + 1/2ln(2x+1) is this correct? Click here to see answer by jsmallt9(3296)

 Question 240520: what is x if: logx(16)=-2 I have x^-2=16 x^-2^-1=16^-1 x^2=1/16 2 squareroot 1/16 Click here to see answer by jsmallt9(3296)

 Question 240549: how do you solve log base 4 of 16x Click here to see answer by Alan3354(31509)

 Question 240638: How would i rewrite this as a single logarithm? 3ln(x)+3/4ln(x+1)-ln(2x+3) Click here to see answer by rapaljer(4667)

 Question 240616: P=13500+22ln(t+1), where t is th etime in years from the present. In how many years will there be 18,000 omsects?(round to the nearest tenth of a year). 18,000=13,500+22ln(t+1) 4,500=22ln(t+1) 204.5=ln(t+1) Click here to see answer by rapaljer(4667)

 Question 240650: A thermometer that reads 80 degree C is brought into a room that is at 20 degree C. exactly three minutes later, it reads 70 degree C. when will it read 50 degree C? Click here to see answer by JimboP1977(308)

 Question 240106: Could you please help me answer this logarithm? The instructions are: Use properties of logarithms to write the following expressions as a single logarithm with a coefficient of one. log2(55y)- log2(5x) Click here to see answer by JimboP1977(308)

 Question 240287: find correct to two decimal places the volume of a cylinder of height = 221.1 cm and base radius 12 cm. ( pie value=3.142) solve the problem using log. pls do help me out 2 solve dis problem.. Click here to see answer by Alan3354(31509)

 Question 241166: so im not sure if i need to go another step when they say "write the following expression as a single logarithm" Equation: 1/4log(x)-slog(y)+7/10log(z) My anzwer: log(x^4 square root (z^7))/square root (y) Do i need to go another step? Click here to see answer by Alan3354(31509)
 Question 241166: so im not sure if i need to go another step when they say "write the following expression as a single logarithm" Equation: 1/4log(x)-slog(y)+7/10log(z) My anzwer: log(x^4 square root (z^7))/square root (y) Do i need to go another step? Click here to see answer by solver91311(17072)

 Question 240286: given logx+y/log2 = log x-y/log3 = log64/log 0.125 find the values of x and y please do reply of d above ques... Click here to see answer by Alan3354(31509)