Question Number 161025 by MathsFan last updated on 10/Dec/21 $${Two}\:{commodities}\:{A}\:{and}\:{B}\:{cost} \\ $$$$\$\mathrm{70}\:{and}\:\$\mathrm{80}\:{per}\:{kg}\:{respectively}. \\ $$$${If}\:\mathrm{34}.\mathrm{5}{kg}\:{of}\:{A}\:{is}\:{mixed}\:{with}\:\mathrm{26}{kg} \\ $$$${of}\:{B}\:{and}\:{the}\:{mixture}\:{is}\:{sold}\:{at} \\ $$$$\$\mathrm{85}\:{per}\:{kg},\:{calculate}\:{the}\:{percentage} \\ $$$${profit}. \\ $$$${please}\:{help}\:{me}\:{out},\:{I}'{m}\:{somehow} \\ $$$${confused} \\…
Question Number 29953 by puneet1789 last updated on 14/Feb/18 Commented by math solver last updated on 14/Feb/18 $$\mathrm{i}\:\mathrm{am}\:\mathrm{getting}\:\mathrm{option}\left(\mathrm{3}\right)\:\:\mathrm{5}\sqrt{\mathrm{5}}−\mathrm{3}. \\ $$$$\mathrm{yes}\:\mathrm{sir},\:\mathrm{ur}\:\mathrm{right}\:\mathrm{i}\:\mathrm{also}\:\mathrm{did}\:\mathrm{with}\:\mathrm{same} \\ $$$$\mathrm{approach}. \\ $$ Commented…
Question Number 161020 by SANOGO last updated on 10/Dec/21 $${etudier}\:{la}\:{convergence} \\ $$$$\int_{\mathrm{0}} ^{+{oo}} \frac{\mathrm{1}}{\:\sqrt{{x}\left(\mathrm{1}+{x}^{\mathrm{2}} \right)}}{dx} \\ $$ Answered by Ar Brandon last updated on 10/Dec/21…
Question Number 161005 by vvvv last updated on 10/Dec/21 $$\boldsymbol{{A}}=\frac{\mathrm{1}}{\mathrm{1}×\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{3}×\mathrm{4}}+\frac{\mathrm{1}}{\mathrm{5}×\mathrm{6}}+….+\frac{\mathrm{1}}{\mathrm{37}×\mathrm{38}}+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{40}} \\ $$$$\boldsymbol{{B}}=\frac{\mathrm{1}}{\mathrm{21}×\mathrm{40}}+\frac{\mathrm{1}}{\mathrm{22}×\mathrm{39}}+\frac{\mathrm{1}}{\mathrm{23}×\mathrm{38}}+….+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{22}}+\frac{\mathrm{1}}{\mathrm{40}×\mathrm{21}} \\ $$$$\frac{\boldsymbol{{A}}}{\boldsymbol{{B}}}=? \\ $$ Answered by Raxreedoroid last updated on 11/Dec/21 $${A}=\underset{{k}=\mathrm{1}} {\overset{\mathrm{39}}…
Question Number 95471 by 6532 last updated on 25/May/20 $$\left(\mathrm{y}^{\mathrm{2}} −\mathrm{6y}\right) \\ $$$$\mathrm{how}\:\mathrm{factorise}\:\mathrm{this}\:\mathrm{one}? \\ $$ Commented by PRITHWISH SEN 2 last updated on 25/May/20 $$\mathrm{y}\left(\mathrm{y}−\mathrm{6}\right)…
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Question Number 160969 by mkam last updated on 10/Dec/21 $$\int_{−\mathrm{2}} ^{\:\mathrm{2}} {x}^{\mathrm{3}} {cos}\left(\frac{{x}}{\mathrm{2}}\right)\:\sqrt{\mathrm{4}−{x}^{\mathrm{2}} }\:{dx} \\ $$ Answered by MJS_new last updated on 10/Dec/21 $${g}\left({x}\right)={f}_{\mathrm{1}} \left({x}\right)×{f}_{\mathrm{2}}…
Question Number 160970 by mkam last updated on 10/Dec/21 $${there}\:{are}\:{even}\:{number}\:{divided}\:{all}\:{odd} \\ $$$${number}\:{what}\:{is}\:{the}\:{number}\:? \\ $$ Answered by MJS_new last updated on 10/Dec/21 $$\mathrm{the}\:\mathrm{only}\:\mathrm{even}\:\mathrm{number}\:\mathrm{which}\:\mathrm{can}\:\mathrm{be}\:\mathrm{divided} \\ $$$$\mathrm{by}\:{all}\:\mathrm{odd}\:\mathrm{numbers}\:\mathrm{is}\:\mathrm{0} \\…
Question Number 29887 by naka3546 last updated on 13/Feb/18 Commented by 803jaideep@gmail.com last updated on 13/Feb/18 $$\mathrm{1234}? \\ $$ Commented by naka3546 last updated on…