Question Number 114551 by bemath last updated on 19/Sep/20 $${The}\:{value}\:{of}\:{x}\:{in}\:{the}\:{given}\:{equation} \\ $$$$\mathrm{4}^{{x}} −\mathrm{3}^{{x}−\frac{\mathrm{1}}{\mathrm{2}}} \:=\:\mathrm{3}^{{x}+\frac{\mathrm{1}}{\mathrm{2}}} \:−\mathrm{2}^{\mathrm{2}{x}−\mathrm{1}} \:,\:{is}\:\_, \\ $$ Commented by Dwaipayan Shikari last updated on…
Question Number 180082 by a.lgnaoui last updated on 07/Nov/22 $${Sachant}\:{que}\:\:\mathrm{A}_{\mathrm{1}} \mathrm{A}_{\mathrm{2}} =\mathrm{10}{cm}:\:\measuredangle\mathrm{AAB}=\mathrm{75}^{°} \\ $$$$\mathrm{1}−{Determiner}\:{l}\:'{angle}\:{x} \\ $$$$\mathrm{2}−{Determiner}\:{la}\:{distance}\:\mathrm{A}_{\mathrm{1}} \mathrm{A6} \\ $$$$\mathrm{3}−{Determiner}\:{la}\:{hauteur}\left[{h}\right]=\mathrm{A}_{\mathrm{6}} \mathrm{B} \\ $$ Commented by a.lgnaoui…
Question Number 114538 by Study last updated on 19/Sep/20 $${how}\:{many}\:{trees}\:{can}\:{be}\:{planted}\:{in}\:{one} \\ $$$${square}\:{meter}\:{area}\:{if}\:{the}\:{distance}\: \\ $$$${between}\:{each}\:{tow}\:{trees}\:{is}\:\mathrm{3}{cm}? \\ $$ Commented by Study last updated on 19/Sep/20 $${help}\:{me} \\…
Question Number 180069 by Acem last updated on 06/Nov/22 $${a}^{\mathrm{2}} −{b}^{\mathrm{2}} =\:\mathrm{4}\:,\:{ab}=\:\mathrm{2}\:\:\:,\:{a}+{b}=\:? \\ $$ Commented by Acem last updated on 07/Nov/22 $${Have}\:{a}\:{good}\:{day}\:{my}\:{brothers} \\ $$$$\:{mr}.\:{W}\:{and}\:{mr}.\:{Rasheed} \\…
Question Number 114511 by 1549442205PVT last updated on 19/Sep/20 $$\mathrm{Find}\:\mathrm{numbers}\:\mathrm{which}\:\mathrm{are}\:\mathrm{common} \\ $$$$\mathrm{terms}\:\mathrm{of}\:\mathrm{the}\:\mathrm{two}\:\mathrm{following}\:\mathrm{arithmetic} \\ $$$$\mathrm{progression}: \\ $$$$\mathrm{3},\mathrm{7},\mathrm{11},…,\mathrm{407}\:\mathrm{and}\:\mathrm{2},\mathrm{9},\mathrm{16},…,\mathrm{709} \\ $$ Commented by bobhans last updated on 19/Sep/20…
Question Number 180035 by a.lgnaoui last updated on 06/Nov/22 $$ \\ $$ Commented by a.lgnaoui last updated on 06/Nov/22 Commented by mnjuly1970 last updated on…
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Question Number 179992 by nadovic last updated on 08/Feb/23 $$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{absolute}\:\mathrm{error}\:\mathrm{for}\:\mathrm{the} \\ $$$$\mathrm{measurements}: \\ $$$$\:\:\:\:\left({a}\right)\:\mathrm{250}{m}\:\mathrm{to}\:\mathrm{the}\:\mathrm{nearest}\:\mathrm{10}{m}. \\ $$$$\:\:\:\:\left({b}\right)\:\mathrm{143}{m}\:\mathrm{to}\:\mathrm{three}\:\mathrm{sig}.\:\mathrm{figures}. \\ $$$$\:\:\:\:\left({c}\right)\:\:\mathrm{41500}{cm}\:\mathrm{to}\:\mathrm{the}\:\mathrm{nearest}\:\mathrm{100}. \\ $$ Terms of Service Privacy Policy…
Question Number 179955 by Shrinava last updated on 04/Nov/22 Answered by aleks041103 last updated on 04/Nov/22 $$\left({K},+\right)\ncong\left({K}/\left\{{O}_{\mathrm{2}} \right\},\:\centerdot\right)\Rightarrow \\ $$$$\nexists{s}:{K}\rightarrow{K}/\left\{{O}_{\mathrm{2}} \right\}:{s}\left({x}+{y}\right)={s}\left({x}\right)\centerdot{s}\left({y}\right)\wedge{s}−{bijective} \\ $$$${denote}\:\begin{pmatrix}{{a}}&{{b}}\\{−{b}}&{{a}}\end{pmatrix}\::=\left({a},{b}\right) \\ $$$${then}\:\left({a},{b}\right)+\left({c},{d}\right)=\left({a}+{c},{b}+{d}\right)…
Question Number 114388 by ajfour last updated on 18/Sep/20 $${Developed}\:{the}\:{formula}\:{for}\:{the}\:{cubic} \\ $$$${equation}\:{when}\:{it}\:{has}\:{three}\:{real}\:{roots} \\ $$$${and}\:{Cardano}\:{is}\:{just}\:{not}\:{suitable}\:{as} \\ $$$${discriminant}\:{gets}\:{negative}.. \\ $$$$\:\:\:{Given}\:\:\:\:\boldsymbol{{x}}^{\mathrm{3}} −\boldsymbol{{bx}}−\boldsymbol{{c}}=\mathrm{0} \\ $$$$\:\:{with}\:\:\boldsymbol{{b}}>\mathrm{0}\:,\:\boldsymbol{{c}}>\mathrm{0} \\ $$$$\:\frac{\boldsymbol{{t}}}{\boldsymbol{{b}}}=\mathrm{1}+\frac{\mathrm{15}}{\mathrm{2}}\left(\frac{\boldsymbol{{c}}^{\mathrm{2}} }{\boldsymbol{{b}}^{\mathrm{3}} }\right)+\sqrt{\left(\frac{\boldsymbol{{c}}^{\mathrm{2}}…