Question Number 159136 by CAIMAN last updated on 13/Nov/21 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 159137 by MathsFan last updated on 13/Nov/21 $$\mathrm{Yesterday},\mathrm{Mr}\:\mathrm{John}\:\mathrm{earned}\:\$\mathrm{50} \\ $$$$\mathrm{mowing}\:\mathrm{lawns},\:\mathrm{today}\:\mathrm{Mr}.\:\mathrm{John} \\ $$$$\mathrm{earned}\:\mathrm{60percent}\:\mathrm{of}\:\mathrm{what}\:\mathrm{he}\:\mathrm{earned} \\ $$$$\mathrm{yesterday}\:\mathrm{mowing}\:\mathrm{lawns}.\:\mathrm{how} \\ $$$$\mathrm{much}\:\mathrm{money}\:\mathrm{did}\:\mathrm{Mr}\:\mathrm{Jacob}\:\mathrm{earned} \\ $$$$\mathrm{mowing}\:\mathrm{lawns}\:\mathrm{today}?? \\ $$ Commented by mr…
Question Number 159131 by Skabetix last updated on 13/Nov/21 Answered by Skabetix last updated on 13/Nov/21 $${merci}\:{d}\:{avance} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 159109 by mathocean1 last updated on 13/Nov/21 $${Show}\:{that}\:\forall\:\overset{\rightarrow} {{V}}_{{i}} \:{and}\:\overset{\rightarrow} {{V}}_{{j}} : \\ $$$$\overset{\rightarrow} {{V}}_{{i}} \wedge\left[\overset{\rightarrow} {{V}}_{{j}} \wedge\left(\overset{\rightarrow} {{V}}_{{j}} \wedge\overset{\rightarrow} {{V}}_{{i}} \right)\right]=−\overset{\rightarrow} {{V}}_{{j}}…
Question Number 159111 by mathocean1 last updated on 13/Nov/21 $${Given}\:\overset{\rightarrow} {{A}}=\mathrm{5}{t}^{\mathrm{2}} \overset{\rightarrow} {{i}}+{t}\overset{\rightarrow} {{j}}−{t}^{\mathrm{3}} \overset{\rightarrow} {{k}}\:{and} \\ $$$$\overset{\rightarrow} {{B}}={sin}\left({t}\right)\overset{\rightarrow} {{i}}−{cos}\left({t}\right)\overset{\rightarrow} {{j}}. \\ $$$${Calculate}\:\frac{{d}\left(\overset{\rightarrow} {{A}}.\overset{\rightarrow} {{B}}\right)}{{dx}}\:;\:\frac{{d}\left(\overset{\rightarrow}…
Question Number 159099 by akolade last updated on 12/Nov/21 Answered by Rasheed.Sindhi last updated on 13/Nov/21 $${Let}\:{h}_{\mathrm{1}} \:{is}\:{the}\:{height}\:{of}\:{tower}\:{above}\: \\ $$$${kim}'{s}\:{position}\:{and}\:{h}_{\mathrm{2}} \:{the}\:{height}\:{below} \\ $$$${her}\:{position}. \\ $$$$\mathcal{T}{he}\:{height}\:{of}\:{tower}\:{h}={h}_{\mathrm{1}}…
Question Number 159079 by LEKOUMA last updated on 12/Nov/21 $${Prove}\:{that}\:\:\mathrm{2}+\sqrt{\mathrm{3}}\:,\:\frac{\sqrt{\mathrm{3}}−\mathrm{2}}{\mathrm{3}}\:\:{and}\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}−\mathrm{5}}\: \\ $$$${are}\:{the}\:{number}\:{irrational} \\ $$ Answered by mindispower last updated on 13/Nov/21 $$\left(\mathrm{2}+\sqrt{\mathrm{3}}\right)\in{Q}\Leftrightarrow\sqrt{\mathrm{3}}\in{Q} \\ $$$$\sqrt{\mathrm{3}}=\frac{{a}}{{b}},{a}\wedge{b}=\mathrm{1} \\…
Question Number 93534 by naka3546 last updated on 13/May/20 $${A}^{\mathrm{2}} \:\:=\:\:\begin{pmatrix}{\mathrm{7}}&{\mathrm{3}}\\{\mathrm{9}}&{\mathrm{4}}\end{pmatrix}\:\:\:\Rightarrow\:\:{A}\:=\:\begin{pmatrix}{{a}}&{{b}}\\{{c}}&{{d}}\end{pmatrix} \\ $$$${Find}\:\:{the}\:\:{all}\:\:{of}\:\:\:{different}\:\:{matrices}\:\:{A}\:\: \\ $$$$\left({i}\right)\:.\:{If}\:\:{a},\:{b},\:{c},\:{d}\:\in\:\mathbb{Z}\:\:\: \\ $$$$\left({ii}\right)\:.\:{If}\:\:{a},\:{b},\:{c},\:{d}\:\in\:\mathbb{R}^{+} \: \\ $$ Answered by prakash jain last…
Question Number 93530 by Shakhzod last updated on 13/May/20 $$\left(\mathrm{4}{x}^{\mathrm{2}} +{xy}+{y}^{\mathrm{2}} \right){dx}+\left(\mathrm{4}{y}^{\mathrm{2}} +\mathrm{3}{xy}+{x}^{\mathrm{2}} \right){dy}=\mathrm{0} \\ $$ Commented by Shakhzod last updated on 13/May/20 $$\left.{S}\left.{orry}.\right)\right) \\…
Question Number 93513 by Shakhzod last updated on 13/May/20 $${y}^{''} +{y}^{'} −\mathrm{2}{y}=\mathrm{0} \\ $$ Answered by i jagooll last updated on 13/May/20 $$\mathrm{homogenous}\:\mathrm{solution}\: \\ $$$$\lambda^{\mathrm{2}}…