Question Number 168203 by Tawa11 last updated on 05/Apr/22 Answered by kapoorshah last updated on 05/Apr/22 $$\left({x}+\mathrm{2}\right)\left({y}+\mathrm{3}\right)=\mathrm{0} \\ $$$$\left({y}+\mathrm{3}\right)\left({z}+\mathrm{1}\right)=\mathrm{0} \\ $$$$\left({z}+\mathrm{1}\right)\left({x}+\mathrm{2}\right)=\mathrm{0} \\ $$$${x}\:=\:−\mathrm{2}\:\:\:{y}\:=\:−\mathrm{3}\:\:\:{z}\:=\:−\mathrm{1} \\ $$$$…
Question Number 168189 by mathls last updated on 05/Apr/22 Commented by mathls last updated on 05/Apr/22 $${please}\:{help}\:{me}! \\ $$ Commented by mr W last updated…
Question Number 168190 by mathls last updated on 05/Apr/22 Commented by mathls last updated on 05/Apr/22 $${please}\:{help}\:{me}! \\ $$ Commented by mr W last updated…
Question Number 168176 by mnjuly1970 last updated on 05/Apr/22 $$ \\ $$$$\:\:\: \\ $$$$\:\:\:\mathrm{I}{f}\:,\:\:{f}\left({x}\right)=\frac{\:\:\mid\:{sin}\left(\mathrm{2}{x}\right)\mid}{\mid{sin}\left({x}\right)\mid+\mid{cos}\left({x}\right)\mid\:+\mathrm{1}} \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:{then}\:\::\:\:\:\:\:\:{R}_{\:{f}} \:=?\:\:\:\:\:\:\:\:\left(\:{range}\:\right)\:\: \\ $$$$\:\:\:\:\:\: \\ $$ Answered by…
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Question Number 168072 by pete last updated on 02/Apr/22 $$\mathrm{The}\:\mathrm{ratio}\:\mathrm{of}\:\mathrm{cars}\:\mathrm{to}\:\mathrm{motorcycles}\:\mathrm{sold}\:\mathrm{in}\:\mathrm{a} \\ $$$$\mathrm{garage}\:\mathrm{is}\:\mathrm{5}:\mathrm{7}.\:\mathrm{If}\:\mathrm{a}\:\mathrm{dealer}\:\mathrm{sold}\:\mathrm{142}\:\mathrm{more}\: \\ $$$$\mathrm{motorcycles}\:\mathrm{than}\:\mathrm{cars}\:\mathrm{in}\:\mathrm{a}\:\mathrm{particular}\:\mathrm{month}, \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{each}\:\mathrm{type}\:\mathrm{of}\:\mathrm{vehicle} \\ $$$$\mathrm{sold}. \\ $$ Answered by antrose last updated…
Question Number 168073 by pete last updated on 02/Apr/22 $$\mathrm{The}\:\mathrm{unit}\:\mathrm{digit}\:\mathrm{of}\:\mathrm{a}\:\mathrm{two}\:\mathrm{degit}\:\mathrm{number}\:\mathrm{is}\:\mathrm{1}\:\mathrm{less} \\ $$$$\mathrm{than}\:\mathrm{the}\:\mathrm{tens}\:\mathrm{degit}.\:\mathrm{if}\:\mathrm{the}\:\mathrm{number}\:\mathrm{is}\:\mathrm{increased} \\ $$$$\mathrm{by}\:\mathrm{8}\:\mathrm{and}\:\mathrm{then}\:\mathrm{divided}\:\mathrm{by}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{digits},\:\mathrm{the}\:\mathrm{result}\:\mathrm{is}\:\mathrm{8}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{number}. \\ $$ Answered by som(math1967) last updated on 02/Apr/22…
Question Number 168054 by Mastermind last updated on 01/Apr/22 $${Simplify}\:\:\frac{\sqrt{\mathrm{1}+{x}}+\sqrt{{x}}}{\:\sqrt{\mathrm{1}−{x}}+\sqrt{{x}}} \\ $$ Commented by MJS_new last updated on 01/Apr/22 $$\mathrm{what}\:\mathrm{do}\:\mathrm{you}\:\mathrm{want}?\:\mathrm{what}\:\mathrm{is}\:“\mathrm{simple}''? \\ $$$$\mathrm{we}\:\mathrm{can}\:\mathrm{do}\:\mathrm{this}: \\ $$$$\frac{\sqrt{\mathrm{1}+{x}}+\sqrt{{x}}}{\:\sqrt{\mathrm{1}−{x}}+\sqrt{{x}}}=\frac{\sqrt{\mathrm{1}+{x}}+\sqrt{{x}}}{\:\sqrt{\mathrm{1}−{x}}+\sqrt{{x}}}×\frac{\sqrt{\mathrm{1}−{x}}−\sqrt{{x}}}{\:\sqrt{\mathrm{1}−{x}}−\sqrt{{x}}}= \\…
Question Number 168043 by Sigunur last updated on 01/Apr/22 $$\mathrm{Solve}\:\mathrm{the}\:\mathrm{equation}: \\ $$$$\frac{\mathrm{7x}^{\mathrm{2}} \:+\:\mathrm{7}}{\:\sqrt{\mathrm{7x}^{\mathrm{2}} \:+\:\mathrm{3}}}\:+\:\frac{\mathrm{y}^{\mathrm{2}} \:+\:\mathrm{18}}{\:\sqrt{\mathrm{y}^{\mathrm{2}} \:+\:\mathrm{17}}}\:+\:\frac{\mathrm{3z}^{\mathrm{2}} \:+\:\mathrm{26}}{\:\sqrt{\mathrm{3z}^{\mathrm{2}} \:+\:\mathrm{1}}}\:=\:\mathrm{16} \\ $$ Commented by MJS_new last updated…