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 ( 11+ )
Otras preguntas
How can hearing loss affect young people??
The ends of roots are normally covered in tiny root hair cells. what is their function?
if LMN is equal or congruent to XYZ, which congruences are true by CPCTC? check all that apply. A. Y~N B. LN~YX C. ML~YZ D. Z~N E. ML~YX F. X~L
Clark used the oder of operations to find the unknown number in 15-12÷3=n. what is the value of the unknown number?
A ball has an electric charge of +1.5 × 10-9 coulombs. At what distance from the ball's center is the electric field strength equal to 5.8 × 105 newtons/coulomb
Toni has a suitcase.the suitcase's length is 22 inches and width is 18 inches.find the area of the suitcase
Why was the battle of gettysburg an important turning point in the war?
Read the sentence. I brought my raincoat _____ it is supposed to rain today. Which transition best completes the sentence? A.even though B.because C.additionall
A bottle holds 260 ml of juice when it is a quster full.how much juice can it hold hold when it is completely full.
Black codes were established in the south immediately after the civil war in an effort to
