amarie032800 amarie032800
  • 10-08-2016
  • Mathematics
contestada

Solve: 16x2 − 81 = 0.

Respuesta :

Tenserr Tenserr
  • 10-08-2016
Hi there! First we need to add 81 to both sides. 16x2-81+81=0+81=16x2=81. 16x2/16=81/16. Now we get x²=81/16. Now, we have to take the square root. That would be 2.25 or -2.25 it really doesn't matter which answer it is. Therefore, the answer is x=2.25 or x=-2.25.
Answer Link

Otras preguntas

Which of the following was probably not a stock phrase in eighteenth-century poetry? a) verdant mead b) checkered shade c) simian rivalry d) shining sword e) bo
Solve for x. - 3x + 8y = 5 6x - 2y =10
how many legs do phytoplankton have
ABCD is a square and a semicircle O has a radius of 6. WHAT is the area of this figure?
Which sentence contains figurative language? 1.The Florida flowers were shy children who ducked their heads. 2.Vermont maple trees produce large amounts of syru
A forerunner of the Declaration of Independence was (A) the Proclamation of Rebellion (B) Lee’s Resolution (C) Suffolk Resolves (D) Declaration of Rights and Gr
what are the 3 requirements listed for members of the senate
Create a newspaper article about visiting the great exhibition, London.Could anyone please give me some points that I could include.Thank you
Places in India where cattle farming is done
What is 7/10 - 1/4 (fraction)