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frenchpotaetoes3702
16.12.2020 •
Mathematics
over 40% of belorussian territory is coverd in forests this is why they have a. green stripe on their flag. if belarus is 80,153 mil2 what amount of land is not forests?
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Ответ:
Step-by-step explanation:
We require 2 equations with the repeating numbers placed after the decimal point.
let x = 2.2151515... ( multiply both sides by 10 and 1000 )
10x = 22.1515.... → (1)
1000x = 2215.1515.... → (2)
Subtract (1) from (2) thus eliminating the repeating decimal
990x = 2193 ( divide both sides by 990 )
x =
= ![\frac{731}{330}](/tpl/images/1175/5765/bb3e3.png)
Thus
2.2151515..... =![\frac{731}{330}](/tpl/images/1175/5765/bb3e3.png)