Question Number 6799 by Tawakalitu. last updated on 27/Jul/16 $${What}\:{is}\:{the}\:{probability}\:{that}\:\mathrm{3}\:{customers}\:{waiting}\:{in}\:{bank}\:{will}\: \\ $$$${be}\:{served}\:{in}\:{sequence}\:{of}\:{their}\:{arrival}. \\ $$ Commented by Yozzii last updated on 27/Jul/16 $${sequence}\:{of}\:{arrival}\:{is}\:{one}\:{out}\:{of}\:\mathrm{3}!=\mathrm{6}. \\ $$$$\Rightarrow\:{experimental}\:{probability}=\frac{\mathrm{1}}{\mathrm{6}}. \\…
Question Number 137871 by pete last updated on 07/Apr/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{bounded}\:\mathrm{by}\:\mathrm{the}\:\mathrm{standard} \\ $$$$\mathrm{normal}\:\mathrm{distribution}\:\mathrm{p}\left(−\mathrm{1}.\mathrm{96}\leqslant\mathrm{Z}\leqslant\mathrm{2}.\mathrm{5}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 72332 by aliesam last updated on 27/Oct/19 $${let}\:{Q}=\frac{\mathrm{1}+{tan}\left(\frac{\mathrm{3}\pi}{\mathrm{8}}\right)\:.\:{tan}\left(\frac{\pi}{\mathrm{10}}\right)}{\mathrm{1}−{tan}\left(\frac{\pi}{\mathrm{8}}\right).{tan}\left(\frac{\pi}{\mathrm{10}}\right)} \\ $$$$ \\ $$$${prove}\:{that} \\ $$$$\: \\ $$$$\frac{{Q}−\mathrm{1}}{{Q}+\mathrm{1}}=\sqrt{\mathrm{7}−\mathrm{3}\sqrt{\mathrm{5}}−\sqrt{\mathrm{85}−\mathrm{38}\sqrt{\mathrm{5}}}} \\ $$$$ \\ $$ Answered by mind…
Question Number 137864 by n0y0n last updated on 07/Apr/21 $$\:\mathrm{if}\:, \\ $$$$\:\:\:\:\mathrm{acos}\alpha+\mathrm{bcos}\beta=\mathrm{Acos}\emptyset \\ $$$$\:\mathrm{proof}\:\mathrm{that}\: \\ $$$$\:\:\:\:\mathrm{asin}\alpha+\mathrm{bsin}\beta=\mathrm{Asin}\emptyset \\ $$ Commented by mr W last updated on…
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Question Number 6792 by Tawakalitu. last updated on 26/Jul/16 $${When}\:{the}\:{price}\:{of}\:{egg}\:\:{was}\:{raised}\:{by}\:#\mathrm{2}\:{an}\:{egg},\:\:{the}\:{number}\:{of}\:{eggs} \\ $$$${which}\:{can}\:{be}\:{bought}\:{for}\:#\mathrm{120}\:{is}\:{reduced}\:{by}\:#\mathrm{5}.\:{What}\:{is}\:{the} \\ $$$${present}\:{price}\:{of}\:{the}\:{egg}. \\ $$ Commented by Yozzii last updated on 27/Jul/16 $${Let}\:{price}\:{per}\:{egg}\:{be}\:{p}={p}_{\mathrm{0}} +\mathrm{2}\:\left({p}_{\mathrm{0}}…
Question Number 137861 by SLVR last updated on 07/Apr/21 Commented by SLVR last updated on 07/Apr/21 $${kindly}\:{help}\:{me}…{please} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 6791 by Tawakalitu. last updated on 26/Jul/16 Commented by Yozzii last updated on 27/Jul/16 $$\frac{\mathrm{2}}{\mathrm{3}}{a}=\frac{\mathrm{3}}{\mathrm{4}}{b}=\frac{\mathrm{5}}{\mathrm{6}}{c}=\frac{\mathrm{6}}{\mathrm{5}}{d}\:\:\:\:\left({a},{b},{c},{d}\in\mathbb{N}\right) \\ $$$$\frac{{a}}{{b}}=\frac{\mathrm{9}}{\mathrm{8}},\:\frac{{b}}{{c}}=\frac{\mathrm{10}}{\mathrm{9}},\:\frac{{c}}{{d}}=\frac{\mathrm{36}}{\mathrm{25}} \\ $$$$\frac{{a}}{{c}}=\frac{{a}}{{b}}×\frac{{b}}{{c}}=\frac{\mathrm{9}}{\mathrm{8}}×\frac{\mathrm{10}}{\mathrm{9}}=\frac{\mathrm{5}}{\mathrm{4}}\Rightarrow{a}=\frac{\mathrm{5}}{\mathrm{4}}{c} \\ $$$${b}=\frac{\mathrm{10}}{\mathrm{9}}{c},\:{d}=\frac{\mathrm{25}}{\mathrm{36}}{c} \\ $$$$…
Question Number 6790 by Yozzii last updated on 26/Jul/16 $$\int_{\mathrm{0}} ^{\mathrm{1}} \:\int_{{y}} ^{\mathrm{1}} \:{x}^{−\mathrm{3}/\mathrm{2}} {cos}\frac{\pi{y}}{\mathrm{2}{x}}\:{dx}\:{dy}=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 6788 by Tawakalitu. last updated on 26/Jul/16 Commented by Yozzii last updated on 27/Jul/16 $$\mathrm{60}=\mathrm{6}×\mathrm{10}=\left(\mathrm{3}×\mathrm{2}\right)\left(\mathrm{7}+\mathrm{3}\right) \\ $$$$\mathrm{17},\mathrm{23},\mathrm{32} \\ $$$${Add}\:{the}\:{two}\:{largest}\:{unit}\:{digit}\:{values}\:{among} \\ $$$${the}\:{three}\:{numbers}\:\left(\mathrm{3}\:\&\:\mathrm{7}\right)\:{and}\:{multiply}\:{this} \\ $$$${answer}\:{with}\:{the}\:{two}\:{largest}\:{digit}\:{values}\:{in}…