Stas747
Stas747
04-05-2015
Mathematics
contestada
How do I solve this.
Log 5x = log (2x+9)
Respuesta :
konrad509
konrad509
04-05-2015
[tex]D:5x\ \textgreater \ 0 \wedge 2x+9\ \textgreater \ 0\\ D:x\ \textgreater \ 0 \wedge 2x\ \textgreater \ -9\\ D:x\ \textgreater \ 0 \wedge x\ \textgreater \ -\dfrac{9}{2}\\ D:x\ \textgreater \ 0\\\\ \log5x=\log(2x+9)\\ 5x=2x+9\\ 3x=9\\ x=3[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
Create 10 to 15 footnote annotations, or explanatory notes, to define some of Boyle's more difficult language and to show students how Boyle makes an argument t
What are the 5 main parts of the cardiovascular system?.
I'm writing a essay about New Years Resolutions and I need for resolutions can you guys give me some ideas.
Directions: Llena los espacios en blanco usando frases de las sección “other useful phrases" de la lista del vocabulario. (Fill in the blank using phrases). U
6. Marcia is 2 years older than Rosemary. Rosemary is 3 years older than Lisa. Lisa is 2 years younger than her 11-year-old brother. How old is Marcia?
Solve. 58p−34=4 p=9532 p=265 p=385 I don't know.
A certain drug treatment cures 90% of cases of hookworm in children. Suppose that 20 children suffering from hookworm are to be treated, and that the children c
Use the words in the box to fill in the blanks. air lungs carbon dioxide hiccup mouth oxygen trachea yawn diaphragm sneeze inhale respiratory bronchi water vapo
Becca’s dog-walking business started with 1 dog. By the end of the first month, she was walking 2 additional dogs per month. The graph represents the situation.
Find the value of x. (x + 10)° 64° The value of x is
