college algebra

posted by .

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 places.

please show work

  • college algebra -

    I have a math question what is a 5/6.a-1/2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Logs.

    Can you please help me with the following log. problems?
  2. precalc/trig

    Solve the Logarithmic equation algebraically. Give an Exact Answer and an approximation for x to four decimal places. 20 log(2x+2)=45
  3. algebra

    solve the exponential equation Express in exact form. 5e^xlog_9 = 11 Is x = (ln11-ln5/log_9 exact form?
  4. Math

    Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^4x = 4.9
  5. pre-calculus

    solve the following logarithmic equation. be sure to reject any value of x that is not in the domain of the original logarithmic expression. give the exact answer. then, use the calculator to obtain a decimal appromiation, correct …
  6. college algebra

    solve the following exponential equation. 7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points over
  7. calculus

    solve the following logarithmic equation. Be sure to reject any value of x that is not in the domain of orginal expression. then in the solution set round to two decimals places. Inx=8 I get e^8 But am having a hard time with rounding …
  8. Math-PLEASE HELP!!

    I have two questions That I need help with please!! 1. solve the following exponential equation. what is the exact solution?
  9. Pre-Calculus

    Find a solution to the equation if possible. Give the answer in exact form and in decimal form rounded to three decimal places. 1=21tan(2x+2)-6
  10. College Algebra

    4 + 5^6x = 8 (a) Find the exact solution of the exponential equation in terms of logarithms. x = (b) Use a calculator to find an approximation to the solution rounded to six decimal places. x = can any body help me out here please?

More Similar Questions