Solve using logarithm: 2^(4x+1)=3^x
24,190 results

Please solve it.Logarithm
Please help me because I do not any idea in Logarithm topic.Solve for the value of X: 6log(x^2+1)=5 
Logarithm help
use logarithm to solve A car depreciated at 15% per year. How long is it until it is worth half the original value? 
urgent urgent algebra / precalculas
For # 1, im getting stuck on this problem i don't understand this 1.4 = e ^ (0.03k) Now take the natural logarithm of both sides to solve for , ln 1.4 = ln e ^ (0.03k) ln 1.4 = 0.03k * ln e Recall that ln e = 1. ln 1.4 = 0.03 k Solve for k. Then try part b. For # 2, y = 3 + e... 
Logarithm help
using logarithms to solve exponential equations. 5^1+x = 2^1x I need exact numbers. I did one on my own already. 5^x1 = 9 5^x1 = 9 log(5^x1) = log9 (log5)(x1) = log9 x1 = (log9/log5) x= (log9/log5)1 x = 2.3652 Logarithm help  Joe, Friday, September 18, 2015 at 10:55pm ... 
Math Algebra 2
How do I put log in a TI84 calculator. #1.Express the logarithm in terms of log2M and log2N: log2(MN)4 #2. Express the logarithm in terms of log2M and log2N: log2 the cube root of M2N #3. Express the logarithm in terms of log2M and log2N: log2 (M/N)7 #4. Express the logarithm... 
Math  Logarithm
Solve the following logarithm equation. Please show all of your work. log (5 + x) – log(x – 2) = log 2 
math
use the changeofbase formula to write the given logarithm as a multiple of a common logarithm. In 5 
ALGEBRA
CONTACT THE EXPRESSIONS.THAT IS USE THE PROPERTIES OF LOGARITHM TO WRITE EACH EXPRESSION AS A SINGLE LOGARITHM WITH A COEFFICIENT OF 1. In 32 in 9 + 18 in 32 in (9+6) in 32 (in 4 + in 8) 
algebra
solve. 3^x+1=4^X+1 its a logarithm 
Logarithm
Ln(2x1)^2=7 solve for x. Really confused 
College Algebra
I am asked to write a logarithmic expresion as a single logarithm with coefficient 1 and simplify as much as possible. The equation is: 4logbase5Y3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing. 
Pre Cal long problem( Can I see the work on this)
A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of each side of the ... 
PreCalculus 12
Solve using logarithm: 2^(4x+1)=3^x 
Logarithm help
Solve to the nearest thousandth. 5^1+x = 2^1x 
logarithm
Solve the equation for x. e^ax=Ce^bx, where a cannot equal b So is the answer x=(1/ab) ln C 
bfmsss
please I need help i this question.Solve 2*=7 using logarithm tables 
Logarithm help
Write each expression as a single logarithm I need help really fast. I have to finish this by today. log4^3 + 1/2log4^8  log4^2 
Math  Logarithm
Solve the following equation. Please show all of your work. 5 ln 2x = 10 
Math
Using logarithm table,solve,0.016*0.084/0.48 
LOGARITHM
Ln(2x1)^2=7 solve for x. Please check my answer!!! =17.0577259793 Is this number too big? 
Math (Calculus)
Can somebody solve this logarithm problem step by step for me please: 2(lnx)² + lnx1 = 0 First let y = ln x be a new variable, , and solve the polynomial 2 y^2 + y  1 = 0 2(y +1)(y  1/2) = 0 Solutions are y = 1 or +1/2 Thus x = e^y and x= 1/e = 0.3679.. OR e^0.5 = 1.6487.. 
calculus
Please help me? ln(x+1)ln(x2)=ln(5) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation. 
Math Help
Hi! I'm really lost on how to do this. Does anyone know how to solve this? Thanks! :) Condesne the expression to the logarithm of a single quanity. 4(lnz+ln(z+5)]2ln(z5) 
math logarithm
Use the definition of logarithm to simplify each expression. log10 10,000 log10 10 log10 10−4 
Algebre
Please help I don't understand Contract the expression this is use properties of logarithm to write each expression as a single logarithm with a coefficient of 1. In33 In 9 +In 18 In32 in (9=6) In 32 (In 4 In 8) Thank you so much 
Chemistry
2. What is pH? A.) the negative logarithm of the hydrogen ion concentration B.) the positive logarithm of the hydrogen ion concentration C.) the negative logarithm of the hydroxide ion concentration D.) the positive logarithm of the hydroxide ion concentration I have no idea ... 
logarithm
So I have to an expression as the logarithm of a single number or expression with a coefficient of 1 9log w+ 4log z log(x5) my answer is: log w^4*z^9/(x5).. is this right? thanks in advance! 
math
if y is equal to the logarithm of x to the base 5, what is the logarithm of x to the base 25 in terms of y? 
Advanced Functions/ Precalculus Log
1. Evaluate 4^(log base4 64) + 10^(log100) 2. Write 1+log(base2)x^3 as a single logarithm 3. Write log(base b)√(x^3 y z^6) 4. Solve log(base 2)xlog(base 2)6=log(base 2)5+2log(base 2)3 5. Solve 3^(2x) = 9(81^x) 6. Solve 3^(2x)=7^(3x1). Round answer to two decimal places... 
Math Algebra 2
#4. Express the logarithm in terms of log2M and log2N: log2 1/MN #5. Simplify: log4 3  log4 48 #6. Solve the equation: loga x = 3/2loga 9 + loga 2 #7. Solve the equation: logb (x2 + 7) = 2/3logb 64 #8. Solve the equation: loga (3x + 5)  loga (x  5) = loga 8 
precalculus
given that c is the logarithm of x in base a, and d is the logarithm of x in base b, find the general statement that expresses the log of x in base ab, in terms of c and d. [*subscripts not included: a,b,ab] loga_x=c ; logb_x=d ...logab_x = [in terms of c and d] 
math
given that c is the logarithm of x in base a, and d is the logarithm of x in base b, find the general statement that expresses the log of x ib base ab, in terms of c and d. I couldn't include subscripts, but here are what the logs should look like: loga_x=c ; logb_x=d...... 
calculus
Please help me solve this equation. log[2](3)+log[2](x)=log[2](5)+log[2](x2) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation. 
Precalculus
1. Write the given expression as a single logarithm. log(70x)+log(10y)2 2. Write the given expression as a single logarithm. ln7e/(square root 2x)ln(square root 2ex) 3. Write the given expression as a single logarithm. 2Ln(x)+Ln(4y)Ln(5z) 
Math
Evaluate log(6)√6 (actual question) There's a problem in my book that says: Convert each logarithm to a natural logarithm and evaluate log(5)√288 the answer in the back is 1.7593 but I can't find an example of those kinds. 
Logarithm help please
Express y as a function of x. What is the domain? Explain your answer. log4y = x + log4 Solving exponential equations with logarithms Solve to the nearest thousandth. 5^1+x = 2^1x 
Logarithm
Determine the value of each logarithm a) Log(4)256 b) Log(2) 1/64 Thank you! 
college algebra
solve the following logarithm equation log (4x+7)=1+log(x6) x=? please show work 
college alg
solve the following logarithm equation log (4x+7)=1+log(x6) x=? please show work 
math
Use the rule of Logarithm, then solve for x Log 2x+1  log (x+5)=0 x=4 *I know x equals for can you explain how? 
Algebra 2
Can someone help me solve this problem please? The directions are to simplify the logarithm: log5(a + 2) + log5(a – 2) 
precalculus
solve the logarithm equation show work. log_7(x8) log_7(x2)=1 
logarithms
Solve the logarithm equation. Express the solution in exact form only. log[6](64x^3+1)log[6](4x+1)=1 
math
how do i solve this logarithm log(base 9)X + 3log(base 3)X = 14 
algebra
solve the logarithm log_2 (x 1) log_2(5x +1) = 3 I got 3, is this correct??????? 
Physics
The following circuits represent a logarithm amplifier The output voltage for a log amp with a diode can be determined by the formula below Vout = (.025V)ln(Vin/IR*R1) , the ln is the natural logarithm of a number. Calculate in a table and sketch the output voltage versus the... 
Trigonometry
Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x... 
AlgebraDid I even begin correctly?
How would I write log(6)272log(6)3 as a single logarithm Would I start by getting rid of the (2) I know its the same log6 but what would I do with the 27 and the 3 I'm really confused on this one and I have to solve several similar ones with no clue on how to itI've reread... 
Chem
Look on your calculator. You know the definition of pH. It is pH=log(H^+). Well, we have the same thing in pKa, pKb, pOH, pKw, etc etc. pKsp = log Ksp. Punch 57.685 into the calculator. Now change the sign to make it negative. Now look for a button that says 10x and punch ... 
Math  Write expression as single logarithm
Write the expression below as a single logarithm. Please show all of your work. ln((x^2 – 1)/(x^2 – 6x + 8)) – ln((x+1)/(x+2)) 
PreCalculus
How to solve this problem by using logarithm: David inherits $10000 and invests in a Guaranteed Investment Certificate (GIC) that earns 6%, compounded semiannually. How long will it take for the GIC to be worth $11000. 
PreCalculus  Need help, due tonight
1. Rewrite the expression 1/2ln(x – 6) + 3ln(x +1) as a single logarithm. 2. Rewrite the expression 1/3[ln x – 2ln(1 – x)] as a single logarithm. 
Math  Logarithms
Write the following expression as a single logarithm: 4ln2x + ln(6/x)  2ln2x So I did... 4ln2x + ln(6/x)  2ln2x = ln2x^4 + ln(6/x)  ln2x^2 = ln16x^4 + ln(6/x)  ln4x^2 = ln16x^(2)(2) + ln(6/x)  ln4x^2 = 2ln16x^2 + ln6  lnx  ln4x^2 If my calculations so far are correct, ... 
Calculus
Given y=log(x), what is dy/dx? If you have to derive this from first principles, then you have to use the defintion of the Logarithm. E.g. you could use that the Logarithm is the inverse of the exponential function and that the derivative of the exponential function is the ... 
pre calculous
use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work ln x^2/y^3 Assuming x,y AND z are positive use properties of logariths to write the expression as a single logarithm logx+log y 1/3logx 4 ... 
Logarithms
e^x+2=13 solve by logarithm Take the ln of both sides. x*ln e = ln 13. You can do this on your calculator. If you don't know the value of e, go to www.google.com and type in e and search. The value is about 2.7. or type this in the google search window ln(13) / ln(e) 
college algebra
write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)In(x^24) solve the following logarithmic equation. 2. log_9(x2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal places. please show work 
Urgent math
i need help with these two homework problems Use the Laws of Logarithms to combine the expression into a single logarithm log2 5 − 5 log2 x + 1/2 log2(x + 1) Solve the logarithmic equation for x log2(x + 2) + log2(x − 1) = 2 
Logarithm Functions
Solve this log function: a) log (sqrt(x^23x))=0.5 b) log (sqrt(x^2+48x))=1 
Logarithm help
Use logarithms for these questions After every 10 pages of painting, the ribbon in the dot matrix printer loses about 0.5% of its ink. A) What percent of the ink is left in the ribbon after printing 100 pages and 1000 pages I have no idea how to solve this question. I need help. 
Precalculus
1. Write the given expression as a single logarithm. log(70x)+log(10y)2 2. Simplify the expression. (Do not use mixed numbers in your answer.) (5x^7/8)(2y^4/6)(x^9/8)(4y^2/6) 3. Write the given expression as a single logarithm. 2Ln(x)+Ln(4y)Ln(5z) 4. Simplify the ... 
Logarithm help
using logarithms to solve exponential equations. 5^1+x = 2^1x I need exact numbers. I did one on my own already. 5^x1 = 9 5^x1 = 9 log(5^x1) = log9 (log5)(x1) = log9 x1 = (log9/log5) x= (log9/log5)1 x = 2.3652 
PreCalculus  Reiny
Reiny you helped me with this logarithm yesterday: How did you write it out as log2 ( √A / B^3 ) Laws of logarithms combine, write as a single logarithm Need help on this question please, Im stuck, don't know where to go abouts from here: I did it on paint and uploaded ... 
Logarithm
Ln2+Lnx=1 
math
logarithm base 20 of 39 
math
what is the natural logarithm of (4x1)=36 
logarithm help!!!!
k/k^5=logk find k 
math logarithm
16.32*0.00635/0.0482 
Math
Simplify the logarithm. Log10 103 
logarithm math help
express: In(√x / y^2z ) thanks :) 
Cal
Express the given quantity in a single logarithm. ln(a + b) + ln(a  b)  2 ln c 
12 Math
Evaluate each logarithm. log^2(subscript)36^3 
mathematicslogarithm
logx^2{base3}=8 show that x=1/27 
Math (FST Exponential & Logarithm)
What is the range of y= (2)^(x3) 
Math
Evaluate the logarithm log3 729 
alg
evaluate the logarithm log 5 1/625 
algebra
Writ the equation in Logarithm form 25=(1/5)^2 a=b^c 
Logarithm help
Find the domain of the given function f(x) = log(2x) 
Math
Write this equation as a logarithm of a power: w ln 4 
Math
logarithm of number less than one 0.016*0.084/0.48 
Please Help work it out! LOGARITHM
log4(3x7)^2=10. I have no idea in working it out. 
Logarithms
1. Find the amount of time required for an investment to double at a rate of 12.3% if the interest is compounded continuously. MY ANSWER: 5.635 yrs 2. Solve e^(0.2x) < 21.2 by using natural logarithms. MY ANSWER: X<15.270 3. Convert log(base 5) 47 to a natural logarithm ... 
Algebra
Express as a single logarithm and, if possible, simplify: In x^2 + 3In xIn x^8 Thanks so much 
Algebra
Write the logarithm in expanded form. log2(y^5) 
Algebra 2
Can In 5 + log2 10 be written as a single logarithm? Explain. 
math
okay, this i cannot figure out anywhere. 2[ln(x)ln(x+1)ln(x1)] evaluate into logarithm of a single quantity. 
logarithm mathneed help!!!!
5logxbase4+48log4basex=x/8 help me plz step 
Calculus
express the given quantity as a single logarithm: ln(a+b)+ln(ab)8ln(c) 
College Algebra
Write each of the following as a single logarithm (log (x+3))/(3) = 1 
lograithm
find the logarithm off 1782 to the base 2root3 
Calculus
Write the expression as the logarithm of a single quantity. ln 2 + 1/2 ln(x +1)2 ln(1+ x^(1/2)) 
algebra
Write the expression in a single natural logarithm. 3 ln a  0.5 (ln b + ln c^2) 
Calculus
Write the logarithm of a single quantity: 2ln(x)+ln(4)(1/2)ln(9) 
Calculus
Why can't a equal 1 in y=log(base a) x. And why is x always positive in that? Hmmmm. a^y=x (from the problem statement). If a were to equal 1, then x would be 1 (1 to any power is 1). So if a is not one, but a positive number, then x has to be a positive number, if one is ... 
math
express the following as a single logarithm log2+log3+log4 
precalculas
write as a single logarithm 2IN plus In y munus In2y 
algebra
Use the definition of logarithm to simply each expression log lower 10 ^104 
math
Estimate the value of the logarithm to the nearest tenth. log7 (55) Options  A. 0.5 B. 2.1 C. 2.6 6.0 
math: precalculus
Write the expression as a single logarithm. Ln(e^3y)+ln(ey)4 
algebra
Simplify the logarithm log2 (64). Select the correct solution.