Nev
Nev Nev
  • 26-04-2014
  • Mathematics
contestada

How do you do 81x^2=49

Respuesta :

Аноним Аноним
  • 14-07-2014
[tex]81x^2=49\ \ \ \ /:81\\\\x^2=\frac{49}{81}\\\\x=\pm\sqrt\frac{49}{81}\\\\x=-\frac{7}{9}\ \vee\ x=\frac{7}{9}[/tex]
Answer Link

Otras preguntas

In four to six sentences, explain how the structure of the First Amendment supports equal weight of each freedom it guarantees.
What was known as the Golden Age of India?
PLEASE HELP!!! 1) Write the equation of the line that passes through points (3,6) and (5,18) using function notation. f(x)=2x+12 f(x)=6x-12 y=2x+12 y=6x-12 2) C
Meiosis is also referred to as _____. cell reduction a reduction of chromosomes nucleic reproduction asexual reproduction
which characteristic best distinguishes quantitative
Given any two numbers, which is greater, the LCM of the numbers or the GCF of the numbers? Why?
What only happens during a chemical reaction? a. A solution is made. b. New substances are formed. c. Bubbles form. d. Colors change.
Split 2.50m into the ratio 3:2
Find the unit rate for Doug makes $43.45 in 5.5 hours
If 120% of a is equal to 80% of b, then what is the value of a b in terms of b