twenty1randomletters
twenty1randomletters twenty1randomletters
  • 24-05-2017
  • Mathematics
contestada

log*subscript*(3x − 2) 4096 = 3

I got x= negative 6 is this correct??

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 24-05-2017
remember

[tex]log_a(b)=c[/tex] translates to [tex]a^c=b[/tex]
and
[tex]log_a(b^c)=clog_a(b)[/tex]
so


4096=16^3
[tex]log_{3x-2}(4096)=3[/tex]
[tex]log_{3x-2}(16^3)=3[/tex]
[tex]3log_{3x-2}(16)=3[/tex]
divide both sides by 3
[tex]log_{3x-2}(16)=1[/tex]
translate
[tex](3x-2)^1=16[/tex]
3x-2=16
add 2 to both sides
3x=18
divide both sides by 3
x=6
Answer Link

Otras preguntas

Mera painted equal sections of her bedroom wall to make a pattern. She painted 2/5 of the wall white and 1/2 of the wall lavender. Write an equivalent fraction
complete the equation Fe + HOH = ?
How do you know it is a outside angle
Answer to this question please ASAP
what is the meaning of when the ruler behaves himself correctly, the people will also
If there is a sexually-transmitted disease"AIDS", how to cure it?
Todd is using the benchmark 1/2 to compare fractions. Which statement is not correct. A 5/6 less than a 1/2
Factor out the GCF 7x+49
Factor out the GCF 7x+49
Factor out the GCF 7x+49