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 ( 93+ )
Otras preguntas
Escucha la conversación entre Daniel y su doctor y selecciona la respuesta que mejor complete cada oración. October 25 7:00 AM unlimited attempts remaining Grad
Lisa Richter deposited $5,000 at 4% compounded semiannually for three years. At the beginning of the fourth year, Lisa deposited $2500 What would her balance ea
A 5.0 kg object moving at 10 m/s on a frictionless surfaces collides with but does not stick to a 2.0 kg object that is initially at rest. The force on the 2 kg
What should be the role of the government in societal and economic changes? (5+ sentences)
Which expression could be used to determine the product of –4 and 3 1/4OPTIONS BELOW
What happens to the temperature of matter as the matter undergoes a phase change?
Plz help me with classification of the bones
please help me with this please
In a Solow model with technological change, if population grows at a 2 percent rate and the efficiency of labor grows at a 3 percent rate, then in the steady st
What is one focus that is similar between communist and socialist platforms?