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tekilochka [14]
3 years ago
6

Help. Need help. Please help.

Mathematics
1 answer:
ryzh [129]3 years ago
5 0

Answer:

30 or -30

Step-by-step explanation:

y^2 = 900

Take the square root of each side

sqrt(y^2) = sqrt(900)

y = ±30

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