starlett starlett
  • 01-06-2017
  • Mathematics
contestada

I don't understand how to solve this

I dont understand how to solve this class=

Respuesta :

anonymous79
anonymous79 anonymous79
  • 01-06-2017
x^2+81=4x^2
3x^2=81
x^2=27
x=(27)^0.5
Answer Link

Otras preguntas

Why Is It Hard For Electrons To Move Through An Insulator
Find the energy in joules required to lift a 55.0 megagram object a distance of 500cm
10 gallons divided by 17 people
How do you graph y= -x+5
Question Middle School Mathematics 5 3 pts Avatar of Grace77 All three trains just arrived at the station. When will they next all arrive at the station at the
Seven out of every 8 students surveyed owns a bike. The difference between the number of students who own a bike and those who do not is 72. How many students
What is 1 Third of 10000
What does a hero usually do shortly before embarking on his quest?A) Condition himself physicallyB) Spend time in isolationC) None of these are correctD) Go ove
what are particles of carbon that enter the air when wood or coal are burned?
What does a hero usually do shortly before embarking on his quest?A) Condition himself physicallyB) Spend time in isolationC) None of these are correctD) Go ove