exmbebe4 exmbebe4
  • 25-04-2021
  • Mathematics
contestada

if In x + ln(x – 4) = ln(7x), then x ​

Respuesta :

yinaanna0
yinaanna0 yinaanna0
  • 25-04-2021

Answer:

x=11

Step-by-step explanation:

ln rule: ln(ab)=ln(a)+ln(b)

ln(x)+ln(x-4)=ln(7x)

ln(x(x-4))=ln(7x)

x^2-4x=7x

x^2-11x=0

x(x-11)=0

x=0 or x=11

Since ln(x) is undefined when x is less or equal to 0

x=11

Answer Link

Otras preguntas

omega 3 fatty acids are important because they
(TCO 4) Which of the following creates thymine dimers? (Points : 4) Nucleotide analogs Nitrous acid Ultraviolet light Benzopyrene Gamma rays
You have a dish full of nickels and quarters. If there are 16 coins together worth $2.20, how many of each coin do you have? Need two equations and please solve
elevated blood cell count can be a result of: A. bacterial infection B. viral infection C. parasitic infection D. immune hypersensitivity/ allergic reactions E.
Explain lt Explain why the formula for finding the surface area of a rectangular prism is helpful. I NEED HELP !
If 60 is 75% of a value, what is that value?
Mrs. Bell's class is selling Hobbs Middle Jaguar t-shirts to raise money for a trip. They typically sell 400 t-shirts a year for $10 per shirt. Mrs bell knows t
of elements N, O, Cl, Na, and Which two would likely have similar chemical properties and why
what do you think accounts for algerias score it has received in recent years on government stability and the absence of violence
Click ___ to move a stacked object to the top of the stack.