jayeoba jayeoba
  • 11-05-2019
  • Mathematics
contestada

4y^2 - 37 = 27, what is the positive value of y?​

Respuesta :

gmany
gmany gmany
  • 11-05-2019

Answer:

y = 4

Step-by-step explanation:

[tex]4y^2-37=27\qquad\text{add 37 to both sides}\\\\4y^2=64\qquad\text{divide both sides by 4}\\\\y^2=16\to y=\pm\sqrt{16}\\\\y=-4\ or\ y=4[/tex]

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