The following table shows a proportional relationship between m and n. m
т
n
3
2
5
35
8
56
Write an equation to describe the relationship between m and n.

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Ответ:

lightning1157blaze

18.07.2020

Mathematics

$x=0.4\overline{90}=0.4909090\ldots$
$10x=4.\overline{90}=4.909090\ldots$
$10x-4=0.\overline{90}=0.909090\ldots$
$100(10x-4)=90.\overline{90}=90.909090\ldots$
$100(10x-4)-(10x-4)=90.\overline{90}-0.\overline{90}=90$
1000x-400-10x+4=90

$x=\dfrac{486}{990}=\dfrac{27}{55}$

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The following table shows a proportional relationship between m and n. m т n 3 2 5 35 8 56 Write an equation to describe the relationship between m and n.