Question Number 171229 by sciencestudent last updated on 10/Jun/22 Commented by mr W last updated on 10/Jun/22 $${you}\:{could}\:{mean}\:“{exactly}\:\mathrm{20}\:{apples}''\:{or} \\ $$$$“{about}\:\mathrm{20}\:{apples}''.\:{since}\:{this}\:{is}\:{not} \\ $$$${clear},\:{one}\:{can}\:{not}\:{say}\:{how}\:{many} \\ $$$${significant}\:{numbers}\:{you}\:{used}. \\…
Question Number 171216 by Bagus1003 last updated on 10/Jun/22 $${Can}\:{you}\:{factor}\:: \\ $$$${x}^{\mathrm{2}} −{x}−\mathrm{1}=\mathrm{0} \\ $$ Commented by MJS_new last updated on 10/Jun/22 $$\mathrm{just}\:\mathrm{use}\:\mathrm{the}\:\mathrm{formula} \\ $$$${x}^{\mathrm{2}}…
Question Number 171204 by mokys last updated on 09/Jun/22 $${if}\::\:{bc}^{\mathrm{2}} +{ca}^{\mathrm{2}} +{ab}^{\mathrm{2}} −{a}^{\mathrm{2}} {b}−{b}^{\mathrm{2}} {c}−{c}^{\mathrm{2}} {a}=\mathrm{0} \\ $$$${prove}\:{that}\::{a}\:=\:{b}\:,\:{b}\:=\:{c}\:,\:{c}\:=\:{a} \\ $$ Answered by som(math1967) last updated…
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Question Number 171165 by MathsFan last updated on 09/Jun/22 $${A}\:{triangle}\:{QRS}\:{is}\:{to}\:{be}\:{constructed}\:{from} \\ $$$${a}\:{line}\:{segment}\:{of}\:{lenght}\:\mathrm{15}{cm}.\: \\ $$$${Construct}\:{the}\:{triangle}\:{using}\:{the} \\ $$$${division}\:{of}\:{the}\:{line}\:{segment}\:{into}\:{the} \\ $$$${ratio}\:\mathrm{5}:\mathrm{4}:\mathrm{3}\:{such}\:{that}\:{QS}\:{and}\:{RS}\:{are} \\ $$$${laegest}\:{and}\:{smallest}\:{ratio}\:{respectively}. \\ $$$${circumscribe}\:{the}\:{triangle}\:{by}\:{locating} \\ $$$${the}\:{circumcenter}. \\…
Question Number 171164 by MathsFan last updated on 08/Jun/22 $$\boldsymbol{\mathrm{show}}\:\boldsymbol{\mathrm{that}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{common}}\:\boldsymbol{\mathrm{chord}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{the}} \\ $$$$\boldsymbol{\mathrm{circle}}\:\boldsymbol{\mathrm{x}}^{\mathrm{2}} +\boldsymbol{\mathrm{y}}^{\mathrm{2}} =\mathrm{4}\:\boldsymbol{\mathrm{and}}\:\boldsymbol{\mathrm{x}}^{\mathrm{2}} +\boldsymbol{\mathrm{y}}^{\mathrm{2}} −\mathrm{4}\boldsymbol{\mathrm{x}}−\mathrm{2}\boldsymbol{\mathrm{y}}−\mathrm{4}=\mathrm{0} \\ $$$$\boldsymbol{\mathrm{passes}}\:\boldsymbol{\mathrm{through}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{origin}}. \\ $$ Answered by thfchristopher last updated…
Question Number 171160 by mokys last updated on 08/Jun/22 Answered by thfchristopher last updated on 09/Jun/22 $$\mathrm{A}.\:\frac{{dy}}{{dx}}=\mathrm{3}{x}^{\mathrm{2}} +\mathrm{9} \\ $$$${y}=\int\left(\mathrm{3}{x}^{\mathrm{2}} +\mathrm{9}\right){dx} \\ $$$$={x}^{\mathrm{3}} +\mathrm{9}{x}+{C} \\…
Question Number 171156 by MathsFan last updated on 08/Jun/22 $$\boldsymbol{\mathrm{show}}\:\boldsymbol{\mathrm{that}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{equation}}\: \\ $$$$\:\mathrm{3}\boldsymbol{\mathrm{x}}^{\mathrm{2}} +\mathrm{3}\boldsymbol{\mathrm{y}}^{\mathrm{2}} −\mathrm{24}\boldsymbol{\mathrm{x}}+\mathrm{12}\boldsymbol{\mathrm{y}}+\mathrm{12}=\mathrm{0} \\ $$$$\:\boldsymbol{\mathrm{is}}\:\boldsymbol{\mathrm{a}}\:\boldsymbol{\mathrm{circle}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 105616 by DeepakMahato last updated on 30/Jul/20 Answered by nimnim last updated on 30/Jul/20 $$\mathrm{217}{x}+\mathrm{131}{y}=\mathrm{913}…..\left(\mathrm{1}\right) \\ $$$$\mathrm{131}{x}+\mathrm{217}{y}=\mathrm{827}…..\left(\mathrm{2}\right) \\ $$$$\left(\mathrm{1}\right)+\left(\mathrm{2}\right)\:\rightarrow\mathrm{348}{x}+\mathrm{348}{y}=\mathrm{1740} \\ $$$$\Rightarrow{x}+{y}=\mathrm{5}………..\left(\mathrm{3}\right) \\ $$$$\left(\mathrm{1}\right)−\left(\mathrm{2}\right)\rightarrow\mathrm{86}{x}−\mathrm{86}{y}=\mathrm{86}…
Question Number 105613 by Study last updated on 30/Jul/20 $${f}\left({x}\right)=\left(\mathrm{1}+\frac{\mathrm{1}}{{x}}\right)^{{x}!} \:\:\:\:\:\:\:\:\:\:\:\:{f}^{'} \left({x}\right)=???? \\ $$ Answered by mathmax by abdo last updated on 30/Jul/20 $$\mathrm{f}\left(\mathrm{x}\right)\:=\mathrm{e}^{\mathrm{x}!\mathrm{ln}\left(\mathrm{1}+\frac{\mathrm{1}}{\mathrm{x}}\right)} \:\Rightarrow\mathrm{f}^{'}…