Francesca25d Francesca25d

22-02-2020
Mathematics

contestada

7. Solve for x in the equation.
Log27(x + 7) - Log27 (x - 1) = 2/3

Relax

Respuesta :

amna04352 amna04352

22-02-2020

Answer:

x = 2

Step-by-step explanation:

log27(x + 7) - log27(x - 1) = ⅔

log27[(x + 7)/(x - 1)] = ⅔

(x + 7)/(x - 1) = 27^⅔

(x + 7)/(x - 1) = 9

x + 7 = 9(x - 1)

x + 7 = 9x - 9

8x = 16

x = 2

Answer Link

Otras preguntas

What effect did new scientific discoveries have on the religious views of elites and lower classes?

(Fill in the blanks) Since DNA cannot leave the nucleus, genetic information is copied into molecules of mRNA and sent out into the cytoplasm. This information

Explain how the following inequality can be used to find the number of toys you can afford to buy. 150≤ 11x + 10 ≤ 450

Don, an office equipment sales representative, earns a weekly salary plus a commission on his sales. One week his total compensation on sales of $3000 was $6

A researcher claims that the proportion of college students who plan to participate in community service after graduation is greater than 35%. To test this clai

Solve for x: 4+3/5(15+2x)=25

What is f(g(x)) if f(x)=3x+1 and g(x)= the square root of x

Y varies inversely with x. When x = 3 then y = 5. Find the value of x when y = 21

Describe the harmful effects of eating disorders like anorexia and bulimia. Why should people with an eating disorder seek professional help? HELP PLEASE I NEED

Before measuring the absorbance of a solution with the Ocean Optics spectrophotometer, it is important to run a blank sample of ______ to correct for any light