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
Which is the solution to this system of equations?
Draw a sketch to help you solve this problem. Express your answer in simplest form. Lana put up a strip of wallpaper that was 1 2/6 yards long. She put up anoth
when a study is designed so that neither the subjects nor the experimenters know which subjects are in the treatment group and which ones are in the control gro
What was the main reason Americans were upset by the Palmer Raids of 1919 and 1920? A-The raids ignored people’s civil liberties. B-The raids protected the civi
Why did many american cities change the german street names in their neighborhoods?
To whom did President Ford offer partial amnesty? A) those who evaded the Vietnam draft B) those involved in the Watergate affair C) Vietnames
50 POINTS Which number is the principal square root of 49? (A) Both 7 and -7 (B) There is none (C) 7 (4) -7
A student analyzing the appearance of the ghost in Act I of Hamlet includes this sentence in the analysis. Death conquers everyone. The student identified a _
a company stock is valued at 25.15 per share the stock is losing value at a rate of 1.75 per day what is the stock value after. 3 days
The listening process includes selecting, attending, understanding, remembering, and responding. a. True b. False