Mathematics: Does anyone known this answer look at the picture

Does anyone known this answer look at the picture

kactus

27.01.2022

$=\frac{4}{51}$

Step-by-step explanation:

$\frac{20}{40+25+20+35+20+30+20+30+35}$

$\mathrm{Add\:the\:numbers:}\:40+25+20+35+20+30+20+30+35=255$

$=\frac{20}{255}$

Simplify, because both are common factors of 5, you divide both numbers by 5 which gives you

$=\frac{4}{51}$

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elsauceomotho

16.09.2022

= 3/(6^3*x^0 + 3*6^2*x^1 + 3*6^1*x^2 + 6^0*x^3)
= 3/(216 + 108x + 18x^2 + x^3)

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