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Question Number 194606 by pete last updated on 10/Jul/23 $$\mathrm{When}\:\mathrm{a}\:\mathrm{kichen}\:\mathrm{is}\:\mathrm{removed}\:\mathrm{from}\:\mathrm{an} \\ $$$$\:\mathrm{oven},\:\mathrm{its}\:\mathrm{temperature}\:\mathrm{is}\:\mathrm{measured}\:\mathrm{at} \\ $$$$\:\mathrm{300}^{\mathrm{0}} \mathrm{F}.\:\mathrm{Three}\:\mathrm{minutes}\:\mathrm{later},\:\mathrm{its} \\ $$$$\:\mathrm{temperature}\:\mathrm{is}\:\mathrm{200}^{\mathrm{0}} \mathrm{F}.\:\mathrm{How}\:\mathrm{longwill} \\ $$$$\:\mathrm{it}\:\mathrm{take}\:\mathrm{the}\:\mathrm{kitchen}\:\mathrm{to}\:\mathrm{cool}\:\mathrm{of}\:\mathrm{to}\:\mathrm{a}\: \\ $$$$\mathrm{room}\:\mathrm{temperature}\:\mathrm{of}\:\mathrm{70}^{\mathrm{0}} \mathrm{F}? \\ $$…
Question Number 194600 by byaw last updated on 10/Jul/23 $$ \\ $$An object is pulled up a smooth plane inclined at angle 45° to the…
Question Number 194568 by MathedUp last updated on 10/Jul/23 $$\mathrm{Equation}.. \\ $$$${J}_{\boldsymbol{\mu}} ^{\left(\mathrm{1}\right)} \left({z}\right){Y}_{\boldsymbol{\mu}} \left({z}\right)−{J}_{\boldsymbol{\mu}} \left({z}\right){Y}_{\boldsymbol{\mu}} ^{\left(\mathrm{1}\right)} \left({z}\right)=−\frac{\mathrm{2}}{\pi{z}} \\ $$$$\mathrm{plz}……\mathrm{Solve}\:\mathrm{this}\:\mathrm{Equation}……. \\ $$$${J}_{\boldsymbol{\mu}} \left({z}\right)\:\mathrm{is}\:\mathrm{First}\:\mathrm{Kind}\:\mathrm{Bessel}\:\mathrm{Function} \\ $$$${Y}_{\boldsymbol{\mu}}…
Question Number 194602 by byaw last updated on 10/Jul/23 $$ \\ $$A ball is thrown vertically upwards with a velocity of 10m/s from a point…
Question Number 194564 by a.lgnaoui last updated on 10/Jul/23 $$\mathrm{soit}\:\:\:\boldsymbol{\mathrm{A}}\left(\mathrm{2},\mathrm{1}\right)\:\:\:\:\:\boldsymbol{\mathrm{B}}\left(\mathrm{3},\mathrm{2}\right)\:\:\:\:\:\boldsymbol{\mathrm{C}}\left(\mathrm{4},\mathrm{3}\right)\:\:\mathrm{points}\:\mathrm{du}\: \\ $$$$\:\:\mathrm{plan}\left(\:\mathrm{ox},\mathrm{oy}\right)\:\: \\ $$$$ \\ $$$$\left.\:\mathrm{1}\right)\mathrm{Determiner}\:\:\mathrm{l}\:'\:\mathrm{equation}\:\mathrm{du}\:\mathrm{cercle}\:\mathrm{qui}\: \\ $$$$\:\:\:\:\mathrm{passe}\:\mathrm{par}\:\boldsymbol{\mathrm{A}};\:\boldsymbol{\mathrm{B}};\:\boldsymbol{\mathrm{C}}\:\:\:? \\ $$$$\left.\:\:\mathrm{2}\right)\:\mathrm{points}\:\mathrm{d}\:\mathrm{intersection}\:\mathrm{du}\:\mathrm{cercle}\:\mathrm{avec} \\ $$$$\:\:\:\:\:\mathrm{l}\:\mathrm{axe}\left(\mathrm{ox},\mathrm{oy}\right)? \\ $$ Answered…
Question Number 194599 by pete last updated on 10/Jul/23 $$\mathrm{A}\:\mathrm{tank}\:\mathrm{contains}\:\mathrm{300}\:\mathrm{litres}\:\mathrm{of}\:\mathrm{fluid}\:\mathrm{in}\: \\ $$$$\mathrm{which}\:\mathrm{20}\:\mathrm{grams}\:\mathrm{of}\:\mathrm{salt}\:\mathrm{is}\:\mathrm{dissolved}.\: \\ $$$$\mathrm{Brine}\:\mathrm{containing}\:\:\mathrm{1}\:\mathrm{gm}\:\mathrm{of}\:\mathrm{salt}\:\mathrm{per}\:\mathrm{litre} \\ $$$$\:\mathrm{is}\:\mathrm{then}\:\mathrm{pumped}\:\mathrm{into}\:\mathrm{the}\:\mathrm{tank}\:\mathrm{at}\:\mathrm{a}\:\mathrm{rate} \\ $$$$\:\mathrm{of}\:\mathrm{4L}/\mathrm{min};\:\mathrm{the}\:\mathrm{well}\:\mathrm{mixed}\:\mathrm{solution}\: \\ $$$$\mathrm{is}\:\mathrm{pumped}\:\mathrm{out}\:\mathrm{at}\:\mathrm{the}\:\mathrm{same}\:\mathrm{rate}. \\ $$$$\:\mathrm{Find}\:\mathrm{the}\:\mathrm{number}\:\mathrm{N}\left(\mathrm{t}\right)\:\mathrm{of}\:\mathrm{grams}\:\mathrm{of} \\ $$$$\:\mathrm{salt}\:\mathrm{in}\:\mathrm{the}\:\mathrm{tank}\:\mathrm{at}\:\mathrm{time}\:\mathrm{t}.\: \\…
Question Number 194598 by malwan last updated on 10/Jul/23 $${please} \\ $$$${what}\:{is}\:{the}\:{best}\:{android} \\ $$$${apps}\:{to}\:{drow}\:{complex}\: \\ $$$${functions}\:{and}\:{fractals}\:? \\ $$ Commented by TheHoneyCat last updated on 14/Jul/23…
Question Number 194593 by pascal889 last updated on 10/Jul/23 Answered by MM42 last updated on 10/Jul/23 $${u}_{{n}} ={u}_{{n}−\mathrm{1}} +{n}+\mathrm{1}\:\:\:;{n}\geqslant\mathrm{2}\:\:,\:\:\:{u}_{\mathrm{1}} =\mathrm{4} \\ $$$${u}_{{n}} ={u}_{{n}−\mathrm{1}} +\left({n}+\mathrm{1}\right) \\…