1. algebra 2

    Rewrite as a single logarithm. 5 logb m -6/5 logb n +1/3 logb j - 2 logb k

    asked by kyle on July 15, 2011
  2. Pre Calculus

    Assume that x, y, and b are positive numbers. Use the properties of logarithms to write the expression logb ^8xy in terms of the logarithms of x and y. a. logb^8 + logb x + logb^y b. logb^8+logbx c. logb^8+logby d. logb^8 + log8 x + log8^y e. logb^8+log8xy

    asked by Jessica Maths on July 6, 2016
  3. pre cal

    Approximate the following logarithms using the properties of logarithms given logb(2)=0.264, logb(3)=0.419, and logb(5)=0.614. logb(24) =? logb(100) =? logb(5b^3) =?

    asked by tor on July 25, 2016
  4. Maths

    If X=loga(n), y=logc(n) where nis not equal to one . Prove that x-y/x+y=logb(c)-logb(a)/logb(c)+logb(a)

    asked by Joel on July 23, 2016
  5. Maths

    Assume that x, y and z are positive numbers. Use the properties of logarithms to write the expression -2logb^(x-6)logb^y+1/7logb^z as the logarithm of one quantity. answers: a. logb z1/7 / x^2y^6 b. logb z 1/7 / x^6y^2 c. log x1/7 / y^2 z^6 d. logb z1/2 /

    asked by Issie on July 7, 2016
  6. Business Calculus

    Let logb 2=2.217 and logb 3=3.417. Find logb 3b Please walk me through this steo by step.

    asked by Josh on April 1, 2018
  7. Algebra

    True or False and please explain so that I can understand. Thank you. 1. (1,0) is always a point on the graphy of y = logb (x). 2. If x=b^2y for b > 1, then y = 1/2 logb (x).

    asked by Lily on March 4, 2015
  8. Algebra 2

    If logb^z=1/3logb^x+logb^y, write z in terms of x and y. I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon on May 25, 2011
  9. mathematics for management

    helo sir/madam can u help me to solve this problem find the value of x in terms of b of the equation logb 2x-logb(x+2b)=1

    asked by amy on April 15, 2014
  10. calculus -- PLEASE HELP!

    1. To five decimals it is a fact that log(2)=.30103 Compute the following to three decimal places usuing ONLY this fact and the logarithmic rules and the definition of a logarithm. a. log100 (2) --base 100 b. log1000 (square root of 2) -- base 1000 2.

    asked by anonymous on January 13, 2008
  11. math

    how do I figure this out? if logb (x)=-3 then when simplified, what does logb (1/x) equal?

    asked by explanation needed on December 12, 2008
  12. Algebra

    Given that logb(5)=1.32 find the value of logb(1/sqrt(5))

    asked by Lisa on August 22, 2011
  13. math

    if logb C= A, explain why logb 1/c = -a

    asked by tom on March 24, 2017
  14. college algebar

    logb x= logb(x+2)-logb8

    asked by brenda on April 13, 2013
  15. Math

    Which of the following is not a property of logarithms? A. log(A - B) = logA/logB B. logA + logB = logAB C. xloga = loga^x D. log(b) b^x = x

    asked by Pat on December 14, 2012
  16. AB Calculus

    Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb 4(square root)x^7y^2 / z^4 in terms of the logarithms of x, y and z a. 28logbx+8logby-16logbz b. 7/4 logbx+1/2 logby-logbz c. 7/4logb(x+y-z) d.

    asked by Miriam on July 7, 2016
  17. Math

    1. Given the product law of logarithms, prove the product law of exponents. 2. Given the quotient law of logarithms, prove the quotient law of exponents. 3. Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0 Please explain these to me.

    asked by Jus on May 25, 2009
  18. Logarithms

    if loga(b)=1/48 what is the value of logb(a^2) ?

    asked by Tony on April 22, 2013
  19. math

    of a^2+b^2=2ab, prove log[(a+b)/2]=1/2(loga+logb)

    asked by Anonymous on January 6, 2010
  20. add maths

    Find the value of logb square root b - loga(1/a)

    asked by mandy on May 3, 2014
  21. Math

    If loga+ logb=logab show that (a+b)²-(a-b)²=4ab

    asked by Manish on October 23, 2017
  22. Math

    If x=loga(bc), y=logb(ca), and Z=logc(ab). Prove that x+y+Z=xyZ-2

    asked by Abass on October 7, 2017
  23. Math

    Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0

    asked by Jus on May 23, 2009
  24. Math

    Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0

    asked by Jus on May 23, 2009
  25. Intermediate Algebra

    Express as a sum, difference, and product of logarithms, without using exponents.logb^3 sqrt x^8 divided by (y^2)(z^5)

    asked by Chelsea on June 16, 2010
  26. Find x and y and also log

    Question1:2^x+y=6,3^x-y=4 find x and y???? quesstion2:a^2+b^2=7ab show that log(a+b)=log3+(loga+logb)/2????

    asked by Collins on October 2, 2015
  27. algebra

    Rewrite the following as an equivalent logarithmic equation.Do not solve. y^t = x answer logy+logt=logx-is this right also Express as an equivalent expression that is a sum of logt (3ab) the t is at the bottom of the g answer log3+loga+logb logarithms.

    asked by dani on May 5, 2010
  28. Intermediate Algebra

    Given logb3 = 0.792 and logb5 = 1.161. If possible, use the properties of logarithms to calculate values for the following show your work logb 1/3

    asked by Kris on June 10, 2010
  29. Algebra help

    Simplify: Note: The first letters next to log are the small letters. 16.) logr r 17.) logt t^4 18.) logb 1

    asked by Shawn on December 1, 2008
  30. 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
  31. Logs-check my anwers

    Write the equation in its equivalent exponential form. log5 x = 2 I got 5x = 2 logb 256 = 4 i got b4 = 256 log10 sqrt of 10 i got

    asked by Jayme on October 23, 2007
  32. Alg

    Does log eqaul to baswe 10? So would logb=a be rewritten as 10^a=b? AND Why would ln5=x be rewritten as e^x=5? is it because ln also means ln(e) the e is supposed to be lowered idk how.

    asked by Amy~ on June 2, 2010
  33. Pre-Calc

    Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.

    asked by Anonymous on April 18, 2016
  34. Pre-Calc

    Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.

    asked by Anonymous on April 14, 2016
  35. 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) =

    asked by AM on February 5, 2013
  36. Log maths help me plz

    Logb(base a)=3/2 log d(base c)=5/7 and a-c=9 then b-d=? Plz help me

    asked by Collins on January 5, 2016
  37. Math Algebra 2

    How do I put log in a TI-84 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.

    asked by AM on February 5, 2013
  38. pre-cal

    Change of Base Formula logb x = loga x/loga b to evaluate log14 41. (Round your answer to three decimal places.) i need a step by step preview please

    asked by Emma on August 3, 2015
  39. Maths

    Logb(base a)=3/2 log d(base c)=5/7 and a-c=9 then b-d=?

    asked by Mk saini on May 29, 2018
  40. Math

    Logb(base a)=3/2 log d(base c)=5/7 and a-c=9 then b-d=?

    asked by Anonymous on May 29, 2018
  41. algebra 2

    log(base 2)csc(x) = log(base 4)csc(4x^2) I tried doing the log(base a)b = logb/loga but I can't get past that because I'm not sure what to do after that. How do I set it up so I get like cscx=? or something so I'm able to solve for multiple values of x?

    asked by Teddy on August 11, 2010
  42. need math help asap (logs) !!!

    Create a question that will use all four Log Operations and four Basic Log properties. The four log properties are: Logb 1=0; logbB=1; logbB^x=x; b^logbx=x the final answer must be X=e^pi where e is the natural log base = 2.718 be creative. Start with ln x

    asked by hi on December 12, 2006
  43. 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
  44. Logarithms

    Kepler's third law of planetary motion relates P, the period of a planet's orbit, to R, the planet's mean distance from the sun, through the equation log P = 1/2 (log k + 3 log R), where k is a constant. a) Rewrite the formula as a single logarithm. b)

    asked by Labz on April 2, 2012
  45. 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
  46. 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
  47. 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
  48. 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
  49. Math

    Please help. 51. Solve: 125=(x3)/0.3^-3 a.7 b.14 c.15 d.9 53. 49x-2 = 7Ö 7 a.-5/4 b.5/4 c.11/4 d.-11/4 60. Simplify: 2log^3 6 - log^3 4 a.3 b.6 c.4 d.2 61. Solve the equation: logb (x^2 + 7) = 2/3logb 64 a.9 b.3 c. √23 d. ±3 62. Solve: (The fifth root

    asked by Holly on May 21, 2013
  50. 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
  51. 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
  52. 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
  53. 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
  54. Calculus

    How do I rewrite log4 1=0 as an equivalent exponential equation? How do I rewrite 4 to the -2 power = 1/16 as an equivalent logarithmic equation? Any help is greatly appreciated. If 4 is the BASE of the logarithm, then log (1) = 0 means ...4 4^0 = 1 4^(-2)

    asked by Abby M. on January 13, 2007
  55. math

    Use the Laws of logarithms to rewrite the expression ln(x^3 sqrt(y^4/z^10)) in a form with no logarithm of a product, quotient or power. After rewriting we have A ln(x)+B ln(x)+C ln(x) What is A B and C?

    asked by Rachel on February 20, 2013
  56. Cal

    Express the given quantity in a single logarithm. ln(a + b) + ln(a - b) - 2 ln c

    asked by Zac on October 5, 2011
  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. math: pre-calculus

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

    asked by Nicky on May 8, 2016
  59. Calculus

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

    asked by Zoe on April 6, 2011
  60. math

    express log2+log3 as a single logarithm

    asked by moya on September 23, 2018
  61. math

    okay, this i cannot figure out anywhere. 2[ln(x)-ln(x+1)-ln(x-1)] evaluate into logarithm of a single quantity.

    asked by strawberryfields on January 23, 2009
  62. Pre-Calculus 12

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

    asked by Ryan on May 20, 2017
  63. 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
  64. 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
  65. calculus

    Express the given quantity as a single logarithm. 1/3ln(x + 2)3 + 1/2[ln(x)− ln(x^2+3x+2)^2]

    asked by Anonymous on September 29, 2011
  66. 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
  67. 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
  68. 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
  69. Algebra

    Express as a single logarithm and, if possible, simplify: In x^2 + 3In x-In x^8 Thanks so much

    asked by Jonathan on August 2, 2014
  70. 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
  71. Calculus

    express the given quantity as a single logarithm: ln(a+b)+ln(a-b)-8ln(c)

    asked by John on August 30, 2010
  72. Algebra 2

    Can In 5 + log2 10 be written as a single logarithm? Explain.

    asked by Bubble on May 3, 2013
  73. calculus

    Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

    asked by Jan on May 1, 2011
  74. precalculas

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

    asked by Jim on March 9, 2015
  75. 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
  76. Calc

    express 3ln(r)- 5ln(s)+ 7ln (t) as a single logarithm.

    asked by Dan on December 9, 2010
  77. math

    express the following as a single logarithm log2+log3+log4

    asked by kathrine on April 15, 2013
  78. logarithms

    how to wirte 3log(s)-4log(c)+2log(t-4) as a single logarithm. Thanks

    asked by vero on March 4, 2012
  79. advanced math

    Math the equation a single logarithm. Express as factors. ln(x/(x-1))+ln((x+1)/(x))-ln(x^2-1)

    asked by kristina on December 3, 2012
  80. Precalc

    chande into a single logarithm (1/2)ln(x^(2)+1)-4ln(1/2)-((1/2)[ln(x-4)+lnx] ) steps to please

    asked by Amy~ on February 2, 2011
  81. calculus

    Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

    asked by Jan on May 1, 2011
  82. college algebra

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

    asked by Ladybug on November 27, 2012
  83. 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
  84. 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
  85. 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
  86. 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
  87. Math

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

    asked by Fiona on November 14, 2014
  88. Calculus

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

    asked by Kelly on June 25, 2010
  89. 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
  90. 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
  91. AP Algebra

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

    asked by keikei on December 3, 2013
  92. 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
  93. Precalculus

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

    asked by Jake on January 30, 2012
  94. math (log)

    Express as a single logarithm 2log3 + 4log2 I'm confused as to how to do this, I keep getting the wrong answer. Thank you!

    asked by Laura on January 29, 2018
  95. Math

    Use the properties of logarithms to rewrite each expression so that it contains only one logarithm. A. log3(5) + log3(m)

    asked by Anonymous on April 4, 2016
  96. 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
  97. 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
  98. 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

    asked by Raj on May 8, 2007
  99. 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
  100. 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