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2 years ago

Complete the solution of the equation. find the value of y when x equals -8 8x+8y=-48

1 answer:

4 0

8x + 8y = -48
-------------------------
Plug in -8 for x
(8) (-8) + 8y = -48
-------------------------------
Simplify
(8) (−8) + 8y = −48
−64 + 8y = −48
8y − 64 = −48
-----------------------------------------
Add 64 to each side
8y − 64 + 64 = −48 + 64
8y = 16
---------------------------------------------------
Finally, divide each side by 8
8y ÷ 8 = 16 ÷ 8
y = 2
----------------------------------------------------------------
y = 2 is your answer

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<h3>Answer: D. 5 blinks</h3>

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Explanation:

First we'll need to find out how long it takes for the ball to go from the pitcher to the batter.

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time = 0.5 seconds

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An eye blink is 0.1 second which means we can form this equation

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We multiply both sides by 5 to get the "0.1 second" to turn into "0.5 seconds".

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0.5 seconds = 5 blinks which points us to choice D.

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