ally4
ally4
16-01-2015
Mathematics
contestada
solve for x 27^(2x+4)=1/9^(x-46)
Respuesta :
naǫ
naǫ
16-01-2015
[tex]27^{2x+4}=(\frac{1}{9})^{x-46} \\ (3^3)^{2x+4}=(3^{-2})^{x-46} \\ 3^{3(2x+4)}=3^{-2(x-46)} \\ 3^{6x+12}=3^{-2x+92} \\ 6x+12=-2x+92 \\ 6x+2x=92-12 \\ 8x=80 \\ x=10[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
What types of jobs did many of the first photographers have? Select one: a. teachers and writers b. salesmen and newspaper reporters c. scientists and inventors
The sum of the digits of a certain three-digit number is 12. If the hundreds digit is three times the tens digit, and the tens digit is one-half the ones digit
Solve for a. -2 > a/-1 -4 please explain step by step to get a brainliest
Based on Passage 1, which statement BEST describes how the last paragraph, on pages 4-5. contributes to the development of Alexandra's character?
someone help me find the change of rate pls
seven more than one half a number x
At the kennel the ratio of cats to dogs is 4:5. There are 27 animals in all.
HELPPPPPPPPPP Music lessons are $40 per half hour. Select the statements below that match this ratio.
What were some positive impacts of industrialization?
55 less than 1/3 of the number is 31
