eldos1306 eldos1306
  • 03-09-2016
  • Mathematics
contestada

x^lg(x)=100^x find x

Respuesta :

Аноним Аноним
  • 03-09-2016

[tex]x^lg(x)=100^x[/tex]


[tex]X^lg(x)=100^x:x[/tex]  [tex]|Solve \ for \ x|[/tex]


[tex]|Use \ logarithms \ of \ both \ sides \ of \ the \ base \ 10| [/tex]


[tex]lg (x ^ lg (x)) = lg (100x) [/tex]


[tex]lg ^ 2 (x) = 2 + lgx[/tex]


[tex]lg 2 ^ x-lg x -2 = 0[/tex]


[tex]lg x = 2 x = 100[/tex]


[tex]lg x = -1 x = \dfrac{1}{10} = 0.1[/tex]

Answer Link

Otras preguntas

A museum worker randomly displays 5 historical writings in a row. What is the probability that the worker lines them up from the oldest to the most recent from
Solve for x. 5/2x+3=4/x
11. All services at the salon are 25% off today. Maria decided to get a haircut that originally costs $22. a. What would her total bill be with the discount?
Find four geometric means between 25 and 800.
I really need help here... please
Drag the tiles to the correct boxes to complete the pairs. Match the trends with the appropriate examples. 1 . social trend 2. technology trend 3. consumer tren
Please help me with these I don’t understand!
Calculate the area of triangle ABC if a = 7.9, b = 6.3 , and c= 8.5
The Davis family pays $200000 for a new house.They make a down payment that is 1/10 of the price of the house.How much is the down payment
How does land use in the United States contrast with the land use laws inherited from England?