# I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer,

42,308 questions
1. ## algebra

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of39. Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so

asked by Gloria on April 12, 2007
2. ## algebra

Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 4logbx - logby

3. ## math

Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. 8 ln x -(1/3) ln y Choose one answer. a. ln x^8 y^3 b. ln x^8

asked by Coug on December 6, 2009
4. ## 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)

asked by Anonymous on November 6, 2010
5. ## 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: 4logbase5Y-3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing.

asked by Nikki on July 17, 2016
6. ## 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.

asked by Anonymous on November 6, 2010
7. ## Algebra

Write the expression as a single logarithm. log_3 40-log_3 10 I'm completely confused with logarithmic equations!! Can someone please please help me understand?

asked by Mitch n' Joey on December 13, 2017
8. ## Math

Write each logarithmic expression as a single logarithm: Log 2 + 3 log 1

asked by Dominique on April 19, 2014
9. ## college algebra

Use properties of logarithms to condense the logarithmic expression. Wreite the expression as a simple logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions. Inx + In 15 Please show work

10. ## 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 3-2 in 9 + 18 in 3-2 in (9+6) in 3-2 (in 4 + in 8)

asked by Mary Ann on May 8, 2014
11. ## 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. In3-3 In 9 +In 18 In3-2 in (9=6) In 3-2 (In 4 In 8) Thank you so much

asked by Mary Ann on May 6, 2014
12. ## college algebra

write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)-In(x^2-4) solve the following logarithmic equation. 2. log_9(x-2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal

change the exponential expression to an equivalent expression involving a logarithm. 1.9=a^6 a=1.1129 is this the correct logarithmic expression???

asked by Heather on November 27, 2012
14. ## 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

asked by kevin on June 12, 2011
15. ## math

contract the expression,use the property of logarithms to write each expression as a single logarithm with a coefficient of 1

16. ## Precalc

how to write each expression into a single logarithm. ln(x-1/x) + ln(x/x+1) - ln((x^(2)-1)) the answer is: -2ln(x+1) steps please i tried solving this but ended up getting this long expression

asked by Amy~ on February 2, 2011
17. ## math: pre-calculus

Write the expression as a single logarithm. Ln(e^3y)+ln(ey)-4

asked by Nicky on May 8, 2016
18. ## pre-cal

use the properties of logarithms to condense the logarithmic expression. write the expression as a single logiarithm whose coefficient is 1. 2IN(x+3)-3INx

19. ## Algebra

Write expression as the logarithm of a single expression or number: ln(3x+2)+ln(x+4)

asked by Britt on November 19, 2012
20. ## 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

asked by Emma on August 3, 2015
21. ## Pre-Calculus 12

Write the following expression as a single logarithm: 4 log 3 + 2

asked by Ryan on May 20, 2017
22. ## pre calculus

Write the expression below as a single logarithm. Need to know how to work this! ln(x-5/x^2 - 1) - ln (x^2 - 2x -15/x + 1)

asked by James on December 17, 2011
23. ## pre calculus

Write the expression below as a single logarithm. 2in(x+4)-in((x^(2)+x-12)/(x))

asked by amy on October 2, 2011
24. ## Calculus

Write the expression as the logarithm of a single quantity. ln 2 + 1/2 ln(x +1)-2 ln(1+ x^(1/2))

asked by Cam on April 10, 2013
25. ## math condense logs

write the expression as the logarithm of a single quantity 3[ln x-2 ln(x^2+1)]+2 ln 5

asked by Jonas on October 1, 2016
26. ## algebra

Write the expression in a single natural logarithm. 3 ln a - 0.5 (ln b + ln c^2)

asked by wouldntyouliketoknow on November 14, 2012
27. ## college algebra

write the expression as a single logarithm In(x/x-2)+In(x+2/x)-In(x^2-4) Please show work

28. ## Math (Condensing logarithmic expression)

Write the expression as the logarithm of a single quantity 3[(ln x) -2ln(x^2+1)]+2 ln 5?

asked by Ray on October 1, 2016
29. ## 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))

asked by CheezyReezy on June 6, 2011
30. ## Calculus

Write this expression as a single logarithm 6ln(x+8)+1/8lnx-ln(cosx)

asked by Kelly on June 25, 2010
31. ## math

write the expression as the logarithm of a single quantity. 2 In 8 + 5 In z My answer is 7 In 8z but I don't not think this is right!

asked by Hannah on July 28, 2009
32. ## precalculus

write the expression below as a single logarithm show work. ln(x-7/x^2+12x+36)-ln(x^2-49/x+6)

asked by Sara on January 11, 2012
33. ## 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

asked by Kid on November 13, 2015
34. ## AP Algebra

Write the expression as a single logarithm: 2lnx+3lny-ln2-4lnz

asked by keikei on December 3, 2013
35. ## calculus

use the properties of logarithms to condense the logarithmic expression. write the expression as a single logarithms whose coeffient is 1. Inx+In5=? Can you show work

asked by Heather on January 7, 2013
36. ## college algebra

Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. ln(3)-2ln(4+8)

asked by Anonymous on January 28, 2012
37. ## math

Write the expression as a logarithm of a single quantity. (4marks) A)3log5a + 4log5b - 2log5c B)3log2 -1/3log(x^2-1)

asked by james on March 15, 2012
38. ## 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.

asked by Ethan on December 7, 2015
39. ## math

chane the logarithmic expression to an equivalent expression involving an exponent log416=x **the 4 is supposed to be dropedd down lower by the g.**

asked by Heather on January 3, 2013
40. ## Precalc

how to write each expression into a single logarithm. 3logx^(2) + (1/2)logã(x) the answer is: (25/4)logx steps please

asked by Amy~ on February 2, 2011
41. ## Precalculus

Write the given expression as a single logarithm. log(70x)+log(10y)-2

asked by Anonymous on November 6, 2010
42. ## 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

asked by Bob on September 19, 2015
43. ## College Algebra

Write the expression as a single logarithm whose coeffecient is 1. Log x + 12 log y

asked by Billie on December 1, 2012
44. ## ALGEBRA

Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text ((a) ) ln\(3\)-2ln\(4\)+ln\(8\) ((b) ln\(3\)-2ln\(4+8\) (c) )ln\(3\)-2(ln\(4\)+ln\(8\))

asked by Randy on April 16, 2012
45. ## Calculus

Write as a single logarithm of a single quantity ln(3)+1/2ln(x+2)-4ln(1+sqrtx)

asked by Ana on July 15, 2012
46. ## Math (pre-celc 12)

Write the expression as a single logarithm: 3log(a)-log(b)-(1/2)log(c) I want to check my answer. I got log(a^3/bc^(1/2))

asked by Jana on May 30, 2016
47. ## math

use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is 1. where possible evaulate the expression. 1/8[3 In(x+5)-In x-In(x^2-4)] Please show work

asked by Austin on January 3, 2013
48. ## math

How would you condense a logarithm expression into a single quantity if the logs have different bases?

asked by Jamie on November 20, 2012
49. ## Math

Condense the expression to the logarithm of a single quantity. 5lnx-6ln(x+2)

asked by Fiona on November 14, 2014
50. ## 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(x-5) my answer is: log w^4*z^9/(x-5).. is this right? thanks in advance!

asked by anonymous on March 26, 2011
51. ## Pre-Calculus - 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

asked by Shreya on October 17, 2012
52. ## Math

Rewrite the expression 2logx−3log(x^2+1)+4log(x−1) as a single logarithm logA. Then the function

asked by Laura on September 20, 2016
53. ## 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(z-5)

asked by Raina on November 6, 2014
54. ## ALGEBRA

Contract the expressions. That is, use the properties of logarithms to write each expression as a single logarithm with a coefficient of 1. text((a) ) ln\(3\)-2ln\(4\)+ln\(8\) text((b) )ln\(3\)-2ln\(4+8\) text((c) )ln\(3\)-2(ln\(4\)+ln\(8\))

asked by Randy on April 25, 2012
55. ## calculus

Please help me? ln(x+1)-ln(x-2)=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.

asked by Sherry on February 17, 2011
56. ## mathematics

Need help with these: Write the expression as a logarithm of a single quality. a) 3log[base5](a) + 4log[base5](b) - 2log[base5](c) b) 3log(2)-(1/3)log((x)^(2) - 1) I appreciate help.

asked by Tom on April 8, 2013
57. ## College Algebra

Write each of the following as a single logarithm (log (x+3))/(3) = 1

asked by Y0gi on November 16, 2010
58. ## Calculus

Write the logarithm of a single quantity: 2ln(x)+ln(4)-(1/2)ln(9)

asked by Zoe on April 6, 2011
59. ## College Algebra

Write each of the following as a single logarithm: 8) ((5-log x)/4) + 4log y =

asked by Y0gi on November 16, 2010
60. ## precalculas

write as a single logarithm 2IN plus In y munus In2y

asked by Jim on March 9, 2015

Did I do this correctly? Use log laws to write the following expression as a single logarithm. 3/2 ln25 + 3 ln2 = ln25 3/2 + ln2^3 = ln125 + ln2^3 =ln125 + ln8 =ln(125*8) =ln1000

asked by Jackson on December 11, 2011
62. ## Algebra II

Did I do this correctly? Use log laws to write the following expression as a single logarithm. 3/2 ln25 + 3 ln2 = ln25 3/2 + ln2^3 = ln125 + ln2^3 =ln125 + ln8 =ln(125*8) =ln1000

asked by Jackson on December 11, 2011

7. In the expression –7x – 5x2 + 5, what is the coefficient of x? 7 5 –5 –7 8. Write the expression using a single exponent. 2^2 • 2^8 4^10 2^10 4^16 2^16 9. Write the expression using scientific notation. (2.5 • 104)(4 • 103) 10 • 10^7 10

asked by Delilah on May 6, 2013
64. ## MATH HELP!

i have write the equation as a single logarithm 2 lnx-3 lny+1/2 lnz

asked by Katie on April 1, 2012
65. ## Algebra II

How would I write log(6)27-2log(6)3 as a single logarithm I'm confused on this one Thanks for any help you can provide

asked by Matt on December 13, 2010
66. ## math

1. Simplify. 14 ^ -4 A. 1 / 14 ^ 4 B. -56 ** ? C. 1 / 14 D. 1 / 14 ^ -4 ---- 2. Multiply, write in scientific notation. (9 x 10^4)(8 x 10^6) A. 7.2 x 10^25 B. 1.7 x 10^11 C. 7.2 x 10^11 ** ? D. 1.7 x 10^25 ---- 3. Write expression using single exponent.

asked by cAt.ExE HaS sTopPeD wORkInG on April 22, 2019
67. ## Math 120

Write 4logb(X)-1/3logb(y)+2logb(z)as a single logarithm Its log base b.

asked by Joey on December 3, 2014
68. ## Precalculus

Write 4log2+log6-log3 as a single logarithm. Explain with steps please!~~

asked by Jake on January 30, 2012
69. ## math

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible evaluate logarithmic expsressions without using a calculator. logb x^7

asked by Ashley on October 15, 2012
70. ## algebra

express as an equivalant expression that is a single logarithmic and simplfy if poissible loga(2x+10)-loga(x^2-25)

asked by mema on June 3, 2011
71. ## pre-calculus

solve the following logarithmic equation. Be sure to reject any value of x that is not in thedomain of the orginal logarithmic expression. Give the exact answer. log3(x+8)=4 The three actually drops down a little below the g. Can someone tell me how to do

72. ## pre-calculus

write the expression as a simple logarithm. express powers. In(x/x-5)+In(x+5/x)-In(x^2-25)

73. ## Math Help? Check my answers.

1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial? 6x^4 + 3x^3 - 2x^2 + 15x - 14 5 4 3 2 3. In the expression -7x - 5x^2 + 5, what is the coefficient of x? 7 5 -5 -7

asked by Lydia on May 19, 2014
74. ## algebra

I'm really confused on how to do a few questions. i am supposed to write the expression using exponents. 1. (2a)(2a)(2a)+(x+y)(x+y) i am supposed to evaluate this one 1. 4(2+2)^3/(3+1)^2 thanks so much

asked by anonymous on September 2, 2009
75. ## math

write the expression as a sinle logarithm. express powers as factors. In (x/x-1)+In(x+1/x)-In(x^2-1) Please show work.

asked by Austin on January 3, 2013
76. ## PreCalc

asked by matt on January 10, 2011
77. ## math

use the change-of-base formula to write the given logarithm as a multiple of a common logarithm. In 5

asked by Hannah on July 26, 2009
78. ## Math 2

Last one I promise. I'm having trouble with these. Express in terms of logarithms of x, y, z, or w. ln 4th root (x^6/(y^2 z)) Write the expression as one logarithm. ln y^4 + (1/3) ln(x^9 y^9) − 7 ln y

asked by Eric on April 24, 2013
79. ## Algebra-Did I even begin correctly?

How would I write log(6)27-2log(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

asked by Matt on December 13, 2010
80. ## Precalculus

I keep getting wrong answer for this question. Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

asked by Matthew on February 1, 2012
81. ## Precalculus

I keep getting wrong answer for this question. Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

asked by Matthew on February 1, 2012
82. ## Math

Write the expression using a single exponent. 2^2 * 2^8 A. 4^10 B. 2^10 C. 4^16 D. 2^16 Write the expression using scientific notation. (2.5 * 10^4)(4 * 10^3 A. 10 * 10^7 B. 10 * 10^8 C. 1 * 10^8 D. 10 * 10^12

asked by Anonymous on April 8, 2014
83. ## Trigonometry

Express each of the following as a single logarithmic expression. All exponents must be left in radical form: 1.) 2logx-3logy 2.) logx-logy+logz 3.) 1/3log5x+2/3log6x 4.) 2/3(logbase2 x - logbase2 y) I don't understand these problems at all. Can someone

asked by Nabil on May 19, 2012
84. ## calculus

Please help me solve this equation. log(3)+log(x)=log(5)+log(x-2) 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.

asked by Marie on February 16, 2011
85. ## Precalculus

Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)

asked by Matthew on February 1, 2012
86. ## MATH

Write as a single logarithm: 2 log 3 – log 5 +2 log2

asked by Sandra on May 20, 2012
87. ## calculus

solve the logarithmic equation. be sure to reject any value of x that is not in the domain of the orginal logarithmic expression. In square root x+7=2 what is the exact solution? a.)the solution set is ? b.)there are infinitely many solutions c.)there is

asked by Brock on January 1, 2013
88. ## Math 12

Hey everyone; There are some questions on my review I am having trouble with. 4. Evaluate each logarithm. g)log base 5 square root 5 I can't figure out how to do square roots... h)log base 3 1 I got 3, but the anwser is 0 Also, directions ask you to write

asked by solexgirl12 on November 11, 2008
89. ## Algebra

These are Two problems that I am having difficulty with. Write as a single logarithm. Assume all variables represent positive real numbers. 1. 5log3 a-7 log3 b+2 log3c 2.log7(x2+5x-24)-log7(x+8)

asked by Anonymous on November 1, 2017
90. ## college algebra

QUESTION 21 Condense the expression to the logarithm of a single quantity. ln310 + ln3x ln3(10 - x) ln310/x ln3(10 + x) ln310x ln310x

asked by Betty on May 6, 2016
91. ## math

change the exponential expression to an equivalent expression involving a logarithm. 8.8=7^x please show work

asked by help! on September 2, 2012
92. ## calculus

Change the exponential expression to an equivalent expression. It should involve an a logarithm. 6.5=a^3 This is what I have. can you help me out. Ina[1/3]In6.5

asked by anonymous on January 9, 2013
93. ## precalulus

Change the exponentional expression to an equivalent expression involving a logarithm. 7^c = 0.026

asked by anon on December 17, 2011
94. ## pre-cal

change the exponential expression to an equivalent expression involving a logarithm. 4.1=a^2

95. ## Algebra HELP

Change the exponentional expression to an equivalent expression involving a logarithm. (2x)^-10=4

asked by Hunter on January 1, 2012
96. ## pre calculus

Change the exponentioanl expression to an equivalent expression involving a logarithm. e^-1/3 = 9t Somebody help PLease!

asked by anon on October 2, 2011
97. ## Calculus

I need to find the derivative of the following problem via logarithmic differentiation, but I'm getting stuck. I know how to solve via logarithmic differentiation, but I can't figure out how to re-write the exponent(s) as logs. Could someone help me? y=

asked by Jessie on January 24, 2008
98. ## alg

change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?

asked by alli on September 2, 2012
99. ## Math - changing logarithmic expression

Change the logarithmic expression to an equivalent expression involving an exponent. Log1/5(1/625) = C

asked by CheezyReezy on June 6, 2011
100. ## algebra

change the logarithmic expression to an equivalent expression involving an exponent. 4^16=x log (base4)16=x is it x=e^2?

asked by alli on September 2, 2012