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 ( 37+ )
Otras preguntas
The physiological ability to perceive the presence of sounds in the environment is reffered to as
2(v-h)/k=r Solve equation for v in terms of all other variables involved
A rightward-moving truck skids to a stop from a very high speed with its wheels locked. What forces are exerted on the object?
Oxygen is a form of energy
Recyclable or biodegradable packaging, recycled materials and components, and better pollution controls are ways that marketers have responded to the ________.
Mr. chen wants to teach his young son masculine behaviors associated with being a boy in both chinese and american cultures. mr. chen is engaging in __________.
How is the prime minister chosen
David's bowling score is 5 less than 3 times Aaron score the sum of the score is 215 find the score of each student
Need help. Every equation I’ve thought of ends up not working out.
A nurse is determining which tasks to delegate. Which actions should a registered nurse perform while caring for a client in traction? Select all that apply.