Mathematics: What the approximate volume of the cylinder below in cubic centimeters

What the approximate volume of the cylinder below

Ответ:

xTrippyBeach4201x

20.05.2021

Mathematics

V≈12308.8

Step-by-step explanation:

V=πr2h

V=(3.14)(14)2(20)

R=14cm

H=20cm

π=3.14

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Ответ:

arletsolis23p2cjls

18.11.2020

Mathematics

$\large\boxed{1.\overline{21}=\dfrac{40}{33}}$

Step-by-step explanation:

$x=1.\overline{21}\\\\x=1.212121...\qquad\text{multiply both sides by 100}\\\\100x=121.212121...\\\\\text{subtract x from 100x}\\\\100x-x=121.212121...-1.212121...\\\\99x=120\qquad\text{divide both sides by 99}\\\\x=\dfrac{120}{99}\\\\x=\dfrac{120:3}{99:3}\\\\x=\dfrac{40}{33}$

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What the approximate volume of the cylinder below in cubic centimeters

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