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 ( 68+ )
Otras preguntas
explain agile testing
In other cases, the censoring has been direct and brutal. On February 28, 1981 the morning newspaper carried a story about the burning of my novel, Bless Me, Ul
Name one country in Africa
What resource led to the rise of Western Europe as one of the world's major economic regions?
A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 degrees. With what speed was it thrown?
I need help with that question please help me I really need it so much I been struggling and stressing a lot please it is due today at 11:00 so I will mark brai
Can people help with (5a), (5b), (5c), (6a), and (6b)
is this correct? if not what is the answer
On a game show, 14 contestants qualified for the bonus round and 6 contestants did not. What is the experimental probability that the next contestant will qual
The circle above represents the amount of fruits produced by a farmer . if 0 is the centre of the circle and the three angles at 0 are equal what fraction of t
