cbxllertv cbxllertv

31-07-2019
Mathematics

contestada

一、225 + 4.8
I don’t understand it plz help
(And do it step by step...)

一225 48 I dont understand it plz help And do it step by step class=

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jdoe0001 jdoe0001

31-07-2019

[tex]\bf -\sqrt{225}+4.8~~ \begin{cases} 225=&3\cdot 3\cdot 5\cdot 5\\ &3^2\cdot 5^2\\ &(3\cdot 5)^2\\ &15^2 \end{cases}\\\\\\ -\sqrt{15^2}+4.8\implies -15+4.8\implies -10.2[/tex]

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