abdelialhbarko abdelialhbarko
  • 23-04-2017
  • Mathematics
contestada

PLEASE HELP!!!!
Solve logx + 5 36 = 2.
options:
x=1
x=11
x=13
x=23
ok so I think it may be 13 or 23 but I'm not sure which. Any ideas? 

Respuesta :

akaleti47
akaleti47 akaleti47
  • 23-04-2017
if x+5 is the base, the equation means (x+5)^2=36

clearly x+5=6

hence x=1
Answer Link
Tucon
Tucon Tucon
  • 23-04-2017
   
[tex]\displaystyle\\ \bf\\ log_{x+5} 36 = 2\\\\ \Longrightarrow~~(x+5)^2 = 36\\\\ (x+5)^2 = 6^2\\\\ x+5= 6\\\\ x = 6 - 5 = \boxed{\bold{1}}[/tex]



Answer Link

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