mequitalturnerb mequitalturnerb
  • 20-04-2018
  • Mathematics
contestada

What is the solution to the equation ? sqrt 2n+28-4 sqrt n=0?

n=2
n=4
n=7
n=14

PLEASE HELP ASAP

Respuesta :

Stiaen
Stiaen Stiaen
  • 20-04-2018
Hello !

[tex]\sqrt{2n+28}-4\sqrt{n}=0\\\\\sqrt{2n+28}=4\sqrt{n}\\\\\sqrt{2n+28}^2=\left(4\sqrt{n}\right)^2\\\\2n+28=16n\\\\2n-16n=-28\\\\14n=28\\\\\boxed{\boxed{n=2}}[/tex]
Answer Link
20anderpre
20anderpre 20anderpre
  • 21-11-2018

Just took the test it. Is n=2

Answer Link

Otras preguntas

"The cover of a photo album has an area of 97.5 square inches. Find it's area in square centimeters.
How to simplify factions
use long division to write the fraction 1/12 as a decimal
How would you write 2.11 as a mixed number in simplest form
7,000 is 10 times as much as
The surface área of the sphere? A=81 pi in^2
Write an algebraic expression to represent the overall phrase. Explain why you have to use some sort of grouping symbol.
which of the following statements about sexual attaration and intimacy in the work place is true?1.romance between a worker and a supervisor must allways be out
The vertical sequence of the layers of soil is called a soil ____?
can a trapezoid have four obtuse angles