What are all of the solutions to the equation 2y2 = 64?
±32
±√ 2
±4√ 2
±8

y=16

Step-by-step explanation:

1 Simplify  2y\times 22y×2  to  4y4y.

4y=644y=64

2 Divide both sides by 44.

y=\frac{64}{4}y=

4

64

3 Simplify  \frac{64}{4}

4

64

  to  1616.

y=16y=16

Done

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step-by-step explanation:

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25