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Question Number 104190 by mr W last updated on 19/Jul/20 $${integers}\:{x},{y}\:{satisfy}\:\mathrm{2}{x}+\mathrm{15}{y}=\mathrm{2019}. \\ $$$${find}\:{the}\:{minimum}\:{of}\:\mid{y}−{x}\mid. \\ $$ Commented by mr W last updated on 20/Jul/20 $${thank}\:{you}\:{all}! \\…
Question Number 169713 by mathlove last updated on 06/May/22 Commented by Shrinava last updated on 06/May/22 $$\mathrm{E}\:=\:\mathrm{2018} \\ $$ Commented by mathlove last updated on…
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Question Number 38636 by pieroo last updated on 27/Jun/18 $$\mathrm{Three}\:\mathrm{variables}\:\mathrm{u},\mathrm{v}\:\mathrm{and}\:\mathrm{w}\:\mathrm{are}\:\mathrm{related}\:\mathrm{such}\:\mathrm{that} \\ $$$$\mathrm{u}\:\mathrm{varies}\:\mathrm{directly}\:\mathrm{as}\:\mathrm{v}\:\mathrm{and}\:\mathrm{inversely}\:\mathrm{as}\:\mathrm{the}\:\mathrm{square}\:\mathrm{of}\: \\ $$$$\mathrm{w}.\:\mathrm{If}\:\mathrm{v}\:\mathrm{increases}\:\mathrm{by}\:\mathrm{15\%}\:\mathrm{and}\:\mathrm{w}\:\mathrm{decreased}\:\mathrm{by}\:\mathrm{10\%}, \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{percentage}\:\mathrm{change}\:\mathrm{in}\:\mathrm{u}. \\ $$ Answered by MrW3 last updated on 28/Jun/18…
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Question Number 38587 by tawa tawa last updated on 27/Jun/18 $$\mathrm{solve}\:\mathrm{for}\:\mathrm{x}:\:\:\:\:\:\mathrm{e}^{\mathrm{x}} \:+\:\mathrm{e}^{\mathrm{x}^{\mathrm{2}} } \:+\:\mathrm{e}^{\mathrm{x}^{\mathrm{3}} } \:=\:\:\mathrm{3}\:+\:\mathrm{x}\:+\:\mathrm{x}^{\mathrm{2}} \:+\:\mathrm{x}^{\mathrm{3}} \\ $$ Commented by tanmay.chaudhury50@gmail.com last updated on…
Question Number 169653 by infinityaction last updated on 05/May/22 $$ \\ $$$$\:\:\:{solve}\:{for}\:{x} \\ $$$$\:\:\:\:\:\:{x}^{\mathrm{2}} \:+\:\frac{{x}^{\mathrm{2}} }{\left({x}+\mathrm{1}\right)^{\mathrm{2}} }\:\:\:=\:\:\mathrm{3} \\ $$ Answered by mr W last updated…
Question Number 169655 by Shrinava last updated on 05/May/22 Answered by mr W last updated on 07/May/22 Commented by Shrinava last updated on 07/May/22 $$\mathrm{Professor},\:\mathrm{the}\:\mathrm{picture}\:\mathrm{is}\:\mathrm{perfect}…
Question Number 169650 by mnjuly1970 last updated on 05/May/22 $$ \\ $$$$\:\:\:\:\:\:\:{f}\left({x}\right)=\:\mathrm{3}\mid\:{sin}\left({x}\right)\mid\:−\mathrm{4}\mid{cos}\left({x}\right)\mid \\ $$$$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:{R}_{\:{f}} \:=? \\ $$ Commented by mkam last updated on…