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 ( 91+ )
Otras preguntas
Who put all the old magazines the cupboard ? Use appropriate prepositions
How can two people have completely different personalities from each other? Support your argument with logical examples from your knowledge of Allport’s’ Trait
The graph of y-3=2.5(x-1) is shown. ( check image ) the graph can be used to model the amount of water , y , being poured into an 8 - ounce glass iver x seconds
for a different football match, 297 tickets were sold for £9.50 each. 399 tickets were sold for £19.50 each. work our an estimate for the total amount of money
Find the equation of straight line passing through the point of intersection of the lines 3x y-6 and x-y=2 and point (-1,3
Which absorbs water faster? (Silk or cotton or wool or nylon)
Carly recorded the number of food items bought at different prices at a supermarket using the histogram below. Which measure of variability would be best to
A. Einstein was a brilliant mathematician. B. He was able to explain the workings of the universe. join the two sentences by using appropriate fanboys
Summarize this paragraph: The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body.
5 cm Work out the area of the shape. -20 cm- 4 cm 8 15cm The diagram shows a shape. Work out the area of the shape. cm cm 8 cm How -4 cm 9 cm Diagram NOT accura
