Respuesta :

y = 3.5

steps:
divided both sides by 4
y^2 = 12.25
square 12.25
= 3.5

Solution:

[tex]4y ^{2} = 49 \\ = > {y}^{2} = \frac{49}{4} \\ = > {y} = \sqrt{ \frac{49}{4} } \\ = > y = \frac{ \sqrt{49} }{ \sqrt{4} } \\ = > y = \frac{7}{2} \\ = > y = 3.5[/tex]

Answer:

y = 3.5