Seudónimo
Seudónimo
01-06-2015
Mathematics
contestada
Solve algebraically 3^x= 243
Respuesta :
hunaifirst
hunaifirst
01-06-2015
3^x=243
so :
³log243=x
³log 3^5=x
x=5
or
5^√243
=3
Answer Link
Panoyin
Panoyin
01-06-2015
[tex]3^{x} = 243 \\ln(3^{x}) = ln(243) \\xln(3) = ln(243) \\\frac{xln(3)}{ln(3)} = \frac{ln(243)}{ln(3)} \\x = \frac{ln(243)}{ln(3)} \\x = \frac{ln(3^{5})}{ln(3)} \\x = \frac{5ln(3)}{ln(3)} \\x = 5[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
What was one result of the Cuban Missile Crisis
What text aids are we supposed to highlight?
Write an equation in slope-intercept form for the line that is parallel to the line y = -4x + 5 and that passes through the given point (-8,5). Show your work.
who was the first person to locate and supposedly identify monstrous beings in America?
Which endocrine gland is responsible for controlling the stress response?
What changes occur at the molecular level when butter melts in a hot pan
There are 756 people going on a boat tour.They are going to take 6 boats, with each boat having an equal number of passengers.How many passengers will be on eac
What was the name of the U.S. policy that gave economic aid to European democracies after ww2
In scientific investigations, experimental results are checked by ?
Difference between authoritarian system and autocracy