Jmc13 Jmc13
  • 03-04-2015
  • Mathematics
contestada

2ln(5x)=8 solve for x

Respuesta :

BaritoneBazooka BaritoneBazooka
  • 03-04-2015
2ln(5x)=8

ln(5x) = 4

e^4 = 5x

x = (e^4) / 5
Answer Link
Аноним Аноним
  • 03-04-2015
[tex]lnx=log_ex\\----------\\log_ab=c\iff a^c=b\\----------\\Domain:\\5x > 0\ \ \ |divide\ both\ sides\ by\ 5\\x > 0\\D:x\in\mathbb{R^+}\\----------------------\\2ln(5x)=8\ \ \ \ |divide\ both\ sides\ by\ 2\\\\ln(5x)=4\iff e^4=5x\\\\5x=e^4\ \ \ \ \ |divide\ both\ sides\ by\ 5\\\\\boxed{x=\frac{e^4}{5}\in D}[/tex]
Answer Link

Otras preguntas

Beverly watches only fox news because its reporters and commentators reinforce her existing beliefs and attitudes. beverly is engaging in __________.
The process by which an organism effortfully controls behavior in order to pursue important objectives is known a
please help me im stuck
what was committees of correspondence
Which types of conversations came into being after 1830
state three examples of human activities that could endanger botana curus
fly low airlines has three times as many flights out of muddville as does slow roll airlines. Together they have 16 flights daily out of the muddville airport.
whats the capital of arkasas
What is m∠BKD 43 23 20 63
Parents who spend a great deal of time and money trying to find the best school for their children believe in the importance of: