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 ( 19+ )
Otras preguntas
11. If a square has an area of 121 square meters, what is the side length? A. 60.5 m B. 12 m C. 11 m D. 484 m
On the game show "The Price is Right", the highest winning amount was $262,743. The next largest winning amount was only 81.4012% of the highest. What was the s
How did the development of agriculture affect people's health?
The sum of a number and 5 Help
Hi i need help with spanish >_< anybody got websites that help with spanish vocabulary?
Simplify 3y - 5(y+ 2) completely. A. -2y- 10 B. -2y + 10 C. 4y- 3 D. 4y - 10
Which sentence uses a commonly misspelled word correctly? The baker asked me to help her knead the doe. I ate fast since we urgently needed to start our trek. W
Carson needs 3 quarts of water to make fruit punch, but has only a 1-cup measuring cup. She knows there are 2 cups in 1 pint, and 2 pints in 1 quart. How can Ca
There is overwhelming research in psychology that supports the idea of the integrated self which argues that there is a balance of nurturing and nature that mak
What is the name of the phase in which the DNA is divided in the cell?