Okay so subtract 50 from both sides and you would get 360=90x and then divide each side by 90 and you would get x= 4 so it took 4 hours
Answer:
What question?
Step-by-step explanation:
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x = a - 2by^2
- a
x - a = -2by^2
/-2b
(x - a)/-2b = y^2
square root it:
y = √(x - a)/-2b
(note : everything is inside the square root)
Have A Nice Day ❤
Stay Brainly! ヅ
- Ally ✧
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