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Cerrena [4.2K]
3 years ago
5

Solve the equation (y x y or y squared) y^2 –9y + 14 = 0

Mathematics
1 answer:
stepladder [879]3 years ago
6 0
What 2 numbers multiply to 14 and add to -9?
-7 and -2
(y-7)(y-2)=0
set to zero

y-7=0
y=7

y-2=0
y=2

y=2 or 7
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Step-by-step explanation:

∵ Temperature drop with the increase in every 1000 ft of height = 2 degrees

∴ Temperature drop in every 1 ft = \frac{2}{1000} degrees

∴ Temperature drop in 29000 ft = \frac{2\times 29000}{1000}

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Answer:

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