найдите целые решения неравенства 7x/x-1 >= 9. Created by elinarubezhova. algebra-ru

x-1 >= 9...

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August 2022 1 6 Report

найдите целые решения неравенства
7x/x-1 >= 9

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$\frac{7x}{x-1}\geq9\\\\\frac{7x}{x-1}-9\geq0\\\\\frac{7x-9x+9}{x-1}\geq0\\\\\frac{-2x+9}{x-1}\geq0\\\\\frac{-2(x-4,5)}{x-1}\geq0\\\\\frac{x-4,5}{x-1}\leq0$

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_____(1)_____[4,5]_____

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x ∈ (1 ; 4,5]

Целые решения неравенства : 2 ; 3 ; 4

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ch cherez skolko chasov velosipedist dogonit peshehodadd514eaa899c712ff84982d454ab3c0c 903

vmesto zvyozdochek postavte cifry tak chtoby chislo 49 delilos na 18 ne mensh

sokratite drob 132132 312312 proshu ochen nado 10 ballov tvoi

sostavte shemu predlozheniya o neobychnom dolgoletii rozovyh kustov kotorye kazhu

ch reshenie ne urovneniem umolyayu pomogite

nod 50 i 45 uzho srochno proshu

ch cherez skolko chasov velosipedist dogonit pervogo reshenie ne urovneniem umo

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