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 ( 99+ )
Otras preguntas
Two complementary angles are congruent. Which equation gives the measure in degrees, d, of each angle?
Which one of the following which measures specific areas of fat that nutritionists can use to calculate body fat percentage? Catiper Measuring Tape
What kind of organization is the better business bureau? trade association labor union business association cooperative?
how are the troposphere, stratosphere, and thermosphere important for supporting life on earth? which layer of the atmosphere is likely the most important for l
Almost always, the creative dedicated minority has made the world better.” This was said by
How many grams of h2 are needed to produce 10.78 g of nh3?
What evidence suggests that venus has been resurfaced in the last half-billion years?
Human life begins at conception. True False
multiply and reduce to lowest terms, 3 5/8× 4/5
La finca esperanza verde ____. es una reserva ecológica es un albergue turístico es un cafetal