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slugmilk1090
14.03.2022 •
Mathematics
The formula d = 1.2 √ h can be used to estimate how far you can see in miles when you are h feet above the ground. John is painting a water tower that is 81 feet tall. According to the formula, approximately how many miles can John see from the top of the water tower?
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Ответ:
6
Step-by-step explanation:
(n + 4)^2 = n^2 + 64
n^2 + 8n + 16 = n^2 + 64
8n = 48
n = 6