alexmartini234 alexmartini234

04-05-2017
Mathematics

contestada

Solve the equation using square roots. Select the solution(s).
(2x−1)²=81

Respuesta :

HammyTheKid HammyTheKid

04-05-2017

first you find the square root of both sides
2x-1 = 9
then add 1 to both sides
2x=10
then divide both sides by 2
x=5

Answer Link

Otras preguntas

Which graph represents the linear equation below y+1=2/3(x-6)

Determine which set of side measurements could be used to form a right triangle. 3, 11, 20 5, 9, 17 6, 7, 8 6, 8, 10

25. Smoke and fog together give rise to: global warming smog ozone depletion acid rain

[tex]\sqrt{x} 180[/tex]

Governments collect taxes to

d Bula drives to work and back every day. One way, the trip is fifty miles. How many miles does she drive in five days?

Amara and Nikhil walk home from school together every day. Amara's walk is 5/8 of a mile. Nikhil's walk is 1 1/2 miles. How many times as far as Amara did Nikhi

Which word best fills in the blank? The height of land above sea level is called altitude or O plateau O elevation Olatitude O direction

Why is Britney Spears insane? I’m graduated so my points are up for grabs cause I’ll never use them. I have to at least as a question with it though.

what are the answers to the 21 and 22 pages of the only grammar and style workbook you'll ever need