lozoya3013 lozoya3013
  • 13-09-2020
  • Mathematics
contestada

(2x-3)^2=81
If x is a solution to the equation above and x > 0, what is the value of x?
X=

Respuesta :

bhandarianjana59
bhandarianjana59 bhandarianjana59
  • 13-09-2020

Answer:

putting roots on both sides,

[tex] \sqrt{(2x - 3)} {}^{2} = \sqrt{81} [/tex]

or, 2x-3 =9

or, 2x= 9+3

or, 2x = 12

Or, x = 12÷2

:. x=6

Answer Link

Otras preguntas

How were goods purchased from the east without an abundance of gold and silver?
14,37,60,83,.... What's the rest of the patern?
Birds have been observed puffing up their feathers under certain conditions. By trapping air between feathers, this behavior helps the bird do what?
What do all the animals in the order "Cetacea'' have in common? (blue whale ex.)
please help me how to multiply (9-6i)*2 it says answer is d) 45-108i i dont know how to get that answer because i got 81-36i
in the xy plane , what is the y intercept of the graph of the equation y=2(x+3)(x-4)
2\r=1/r-1/r+3 what's the answer?
Point R divides  in the ratio 1 : 3. If the x-coordinate of R is -1 and the x-coordinate of P is -3, what is the x-coordinate of Q?
A 1.0 kg mass is attached to the end of a 1.00 m long string and swung in a horizontal circle.  If the mass completes one cycle in 0.42 s, the speed of the mass
How were goods purchased from the east without an abundance of gold and silver?