Questions on Algebra: Logarithm answered by real tutors!

Algebra ->  Algebra  -> Logarithm Solvers, Trainers and Word Problems -> Questions on Algebra: Logarithm answered by real tutors!      Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 171162: Find the effective yield, to the nearest hundreth percent, of an investment at 6% coumpounded continuesly? Click here to see answer by stanbon(57361)

 Question 171204: given that loga2= 0.693, and loga11= 2.398, find loga 1/22 given that log x = 3 and log y = 6, find log xy2 Click here to see answer by oscargut(891)

 Question 171237: It asks to write it in condensed form: logb 3 x + 8(logb x - logb y) 1/2loga x + 4 loga y - 4 log a x Click here to see answer by stanbon(57361)

 Question 171215: Solving the following equations, which shows the correct answer? A) log10 (0.1) = 1 B) log16 2 = 4 C) log 3 9 = 2 D) log5125 = 25 I am stumped! Click here to see answer by scott8148(6628)

 Question 171211: Write the exponential expression in logarithmic form. b^y = c If anyone is able to help, I appreciate it :) Click here to see answer by scott8148(6628)

 Question 171207: #1.\$480 at 10% compounded quarterly for 5 years #2. \$800 at 2% compounded continuously for 8 years Click here to see answer by midwood_trail(310)

 Question 171462: Ethanol production (in billions) of gallons) is produced by f(x) = 1.47(1.225^x) where 0 corresponds to 2000. If this trend continues, estimate the year in which ethanol production reaches 12 billion gallons. Click here to see answer by stanbon(57361)

 Question 171514: Please help! 2. Convert the following equations into exponential form: a. X = log38 b. -9 = log5Y c. X= log6Y d. 100 = log2Z Click here to see answer by solver91311(16897)

 Question 171513: Please help! 1. Convert the following equations into logarithmic form: a. 6 = 2x b. 9 = 6y c. 7 = 3y d. X = 5y Click here to see answer by solver91311(16897)

 Question 171560: find x 7^x = 4^x+1 that you do this but i dont know how find x log7^x=log4^x+1 xlog7=xlog4+1log4 x(log7-xlog4)=1log4 x= 1log4/log7-log4 Click here to see answer by stanbon(57361)

 Question 171567: evalute log4^9 that hiw i did not right log 4^9=x 4^x=9 xlog2^2=3^2 xlog2=log3 xlog2/log3 x= Click here to see answer by Alan3354(30993)

 Question 171594: what would log3 28 be and use log6 3= 0.1613147 and log6 5=0.898244 to find log6 45. Click here to see answer by Alan3354(30993)
 Question 171594: what would log3 28 be and use log6 3= 0.1613147 and log6 5=0.898244 to find log6 45. Click here to see answer by nerdybill(6962)

 Question 171900: We are trying to help my friends son start to solve the following equation prior to graphing: f(x)=log3(x-1). How do you set the problem up to solve? Perhaps the first 3 steps would help us remember since it has been 30 years since we took college algebra. Not in book. Click here to see answer by Alan3354(30993)
 Question 171900: We are trying to help my friends son start to solve the following equation prior to graphing: f(x)=log3(x-1). How do you set the problem up to solve? Perhaps the first 3 steps would help us remember since it has been 30 years since we took college algebra. Not in book. Click here to see answer by stanbon(57361)

 Question 171943: how do you solve: log3(4x+1)=log3(5x-2), the 3's are the base numbers Click here to see answer by stanbon(57361)

 Question 172047: Hi, I am having a problem solving: log(z^2-25)-log(z+5)=log7 The farthest I got was to re-write the problem to: log(z^2-25)(z+5)=7 Click here to see answer by solver91311(16897)
 Question 172047: Hi, I am having a problem solving: log(z^2-25)-log(z+5)=log7 The farthest I got was to re-write the problem to: log(z^2-25)(z+5)=7 Click here to see answer by Alan3354(30993)

 Question 172051: I have trouble with (log2 3x)*(log5 x)=3 This problem comes from an old mimeographed practice sheet. Click here to see answer by Alan3354(30993)