Question Number 42906 by Cheyboy last updated on 04/Sep/18 $${x}^{{x}} +{y}^{{y}} =\mathrm{31} \\ $$$${x}+{y}\:=\:\mathrm{5} \\ $$$${Find}\:{x}\:{and}\:{y} \\ $$ Answered by Joel578 last updated on 04/Sep/18…
Question Number 108430 by Rasikh last updated on 16/Aug/20 Answered by Sarah85 last updated on 17/Aug/20 $$\mathrm{42}!\:\mathrm{has}\:\mathrm{got}\:\mathrm{more}\:\mathrm{2s}\:\mathrm{than}\:\mathrm{3s},\:\mathrm{so}\:\mathrm{we}\:\mathrm{have}\:\mathrm{to} \\ $$$$\mathrm{count}\:\mathrm{the}\:\mathrm{3s} \\ $$$$\mathrm{3},\:\mathrm{6},\:\mathrm{12},\:\mathrm{15},\:\mathrm{21},\:\mathrm{24},\:\mathrm{30},\:\mathrm{33},\:\mathrm{39},\:\mathrm{42}\:/\:\mathrm{10}\:\mathrm{3s} \\ $$$$\mathrm{9},\:\mathrm{18},\:\mathrm{36}\:/\:\mathrm{6}\:\mathrm{3s} \\ $$$$\mathrm{27}\:/\:\mathrm{3}\:\mathrm{3s}…
Question Number 173970 by mnjuly1970 last updated on 22/Jul/22 Commented by Tawa11 last updated on 22/Jul/22 $$\mathrm{Great}\:\mathrm{sir} \\ $$ Commented by infinityaction last updated on…
Question Number 173956 by Shrinava last updated on 21/Jul/22 Commented by dragan91 last updated on 22/Jul/22 $$ \\ $$$$\sqrt{\mathrm{x}^{\mathrm{3}} +\mathrm{y}^{\mathrm{2}} }+\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{y}^{\mathrm{3}} }=\mathrm{x}+\mathrm{y} \\ $$$$\mathrm{x}^{\mathrm{3}}…
Question Number 108422 by maouame last updated on 16/Aug/20 Answered by bubugne last updated on 17/Aug/20 $$ \\ $$$$\mathrm{1}\:−\:{solution}\:{triviale}\: \\ $$$$\left.\exists\left.\:\epsilon\:\in\:\mathbb{R}_{+} ^{\ast} \:\forall\:{c}\:\in\:\right]\mathrm{0},\epsilon\right]\:{f}\left({c}\right)={f}\:'\left({c}\right)=\mathrm{0} \\ $$$$…
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Question Number 173948 by dragan91 last updated on 21/Jul/22 Commented by dragan91 last updated on 21/Jul/22 $$\mathrm{Value}\:\mathrm{of}\:\mathrm{Angle}\:? \\ $$ Commented by a.lgnaoui last updated on…
Question Number 173946 by mnjuly1970 last updated on 21/Jul/22 $$ \\ $$$$\:\:\:{If}\:\mathrm{3}{sin}\left({x}\right)+\mathrm{4}{cos}\left({y}\right)−\mathrm{3}{sin}\left({y}\right)=\mathrm{8} \\ $$$$\:\:\:{then}\:..\:\:\:\:{sin}\left({x}\right)\:+\:{sin}\left({y}\right)=? \\ $$$$ \\ $$$$ \\ $$ Answered by mr W last…
Question Number 173933 by mathlove last updated on 21/Jul/22 Commented by cortano1 last updated on 21/Jul/22 $$=\mathrm{1} \\ $$ Answered by som(math1967) last updated on…
Question Number 173923 by mathlove last updated on 21/Jul/22 Commented by Rasheed.Sindhi last updated on 21/Jul/22 $$\frac{\mathrm{r}_{\mathrm{1}} }{\mathrm{r}_{\mathrm{2}} }=\frac{\mathrm{r}_{\mathrm{2}} }{\mathrm{r}_{\mathrm{3}} }\Rightarrow\frac{\mathrm{2}}{\mathrm{3}}=\frac{\mathrm{3}}{\mathrm{r}_{\mathrm{3}} }\Rightarrow\mathrm{r}_{\mathrm{3}} =\frac{\mathrm{9}}{\mathrm{2}}=\mathrm{4}.\mathrm{5}\:\mathrm{cm} \\ $$…