Question

Fill in the bla. ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯×0.005=5 ​ ×0.005=5 0.09ׯ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯=0.90.09× ​ =0.9

Equations and inequalities
ANSWERED
asked 2021-02-13
Fill in the bla
. ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯×0.005=5 ​ ×0.005=5 0.09ׯ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯=0.90.09× ​ =0.9

Answers (1)

2021-02-14
We have to find x such that \(\displaystyle{x}\cdot{0.005}={5}\)
Notice that \(\displaystyle{0.005}{x}={5}\to{0.005}{x}\cdot{1000}={5}\cdot{1000}\)
\(\displaystyle\to{5}{x}={5000}\)
\(\displaystyle\to{5}\frac{{x}}{{5}}={5000}\)
\(\displaystyle\to{x}={1000}\)
We have to find y such that 0.09*y=0.9 Notice that \(\displaystyle{0.009}{y}={0.9}\to{0.09}{y}\cdot{100}={0.9}\cdot{100}\)
\(\displaystyle\to{9}{y}={900}\)
\(\displaystyle\to{9}\frac{{y}}{{9}}=\frac{{900}}{{9}}\)
\(\displaystyle\to{y}={100}\)
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