simon49
simon49 simon49
  • 24-02-2022
  • Mathematics
contestada

(x – 15)2 = 121
Solve by taking the the square root

Respuesta :

Gyeong
Gyeong Gyeong
  • 24-02-2022

SOLUTION:

=) x² - 15² = 121

=) x² - 225 = 121

=) x² = 121 + 225

=) x = root 346

=) x = 18.6

Answer Link
fieryanswererft
fieryanswererft fieryanswererft
  • 24-02-2022

Answer:

[tex]x = 26[/tex] , [tex]x = 4[/tex]

solving steps:

[tex](x - 15)^2 = 121[/tex]

[tex]\sqrt{(x - 15)^2} = \pm \sqrt{121}[/tex]

[tex]x- 15= \pm 11[/tex]

[tex]x = 11 + 15[/tex] , [tex]x = -11 +15[/tex]

[tex]x = 26[/tex] , [tex]x = 4[/tex]

Answer Link

Otras preguntas

if you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.
if your keyboard won't pop up on your phone what do you do
Why was mass production the more important reason the 1920s economic boom was sustained?
find the value of the numerical expression: 2^4
Kecepatan benda sebagai fungsi waktu dinyatakan oleh V=(2t3-3t2)m/s bila t dalam sekon dan posisi awal 4m.maka posisi saat t=2s adalah
How would you write "all triangles have three sides" as a conditional statement
how to solve scientific notation word problems?
solve for x 3(4x-3)<39
health care affecting scientists
Give an everyday example of an action and reaction pair that does produce motion and one that does not.