Question Number 8877 by tawakalitu last updated on 03/Nov/16 Commented by Rasheed Soomro last updated on 03/Nov/16 $$\mathrm{Not}\:\mathrm{related}\:\mathrm{to}\:\mathrm{this}\:\mathrm{question}. \\ $$$$\mathrm{Please}\:\mathrm{see}\:\mathrm{my}\:\mathrm{answers}\:\mathrm{to}\:\mathrm{your} \\ $$$$\mathrm{question}\:#\mathrm{8847}\:\:\:\mathrm{and}\:\mathrm{confirm} \\ $$$$\mathrm{whether}\:\mathrm{the}\:\mathrm{answer}\:\mathrm{is}\:\mathrm{correct} \\…
Question Number 74412 by ajfour last updated on 24/Nov/19 $${a},{b},{c}\:{are}\:{given}\:{real}\:{constants}. \\ $$$${p},{q},{r},{t}\:{are}\:{unknowns}\:{from}\:{which} \\ $$$${we}\:{can}\:{choose}\:{values}\:{of}\:{two}\:{of} \\ $$$${them}\:\left({non}\:{zero}\right)\:{and}\:{have}\:{to}\: \\ $$$${determine}\:{the}\:{other}\:{two}\:\left({non}\:{zero}\right), \\ $$$${obeying}\:\:{two}\:{equations}\:{given}\:{below} \\ $$$$\:{p}^{\mathrm{2}} +{q}\left(\mathrm{1}+{bq}\right){t}^{\mathrm{2}} +{q}\left({ap}+{br}\right){t} \\…
Question Number 8873 by j.masanja06@gmail.com last updated on 03/Nov/16 $$\mathrm{simplify}\:\mathrm{5y}^{\mathrm{2}} \:×\:\mathrm{6x}^{\mathrm{4}} \\ $$ Answered by FilupSmith last updated on 03/Nov/16 $$\mathrm{5}{y}^{\mathrm{2}} ×\mathrm{6}{x}^{\mathrm{4}} =\mathrm{30}{y}^{\mathrm{2}} {x}^{\mathrm{4}} \\…
Question Number 139940 by mathdanisur last updated on 02/May/21 $${There}\:{are}\:\mathrm{4}\:{children}\:{in}\:{the}\:{team}. \\ $$$${Find}\:{the}\:{probability}\:{that}\:{three}\:{are} \\ $$$${girls}\:{and}\:{one}\:{is}\:{a}\:{boy}. \\ $$ Answered by mr W last updated on 02/May/21 $${children}\:{are}\:{different}:…
Question Number 139943 by mathsuji last updated on 02/May/21 $${The}\:{train}\:{is}\:{moving}\:{at}\:{a}\:{speed}\:{of}\:\mathrm{12}\:{m}/{san}. \\ $$$${In}\:{this}\:{cose},\:{it}\:{seems}\:{to}\:{the}\:{passenger} \\ $$$${in}\:{the}\:{car}\:{that}\:{the}\:{direction}\:{of}\:{the} \\ $$$${raindrops}\:{is}\:{at}\:{an}\:{angle}\:{of}\:\mathrm{30}\:{degrees} \\ $$$${to}\:{the}\:{vertical}.\:{Find}\:{the}\:\:{average} \\ $$$${speed}\:{of}\:{raindrops}. \\ $$ Terms of Service…
Question Number 139936 by Snail last updated on 02/May/21 $${Find}\:{all}\:{integers}\:{x}\:{and}\:{y}\:{i}.{e}\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{9999}\left({x}−{y}\right) \\ $$ Answered by Rasheed.Sindhi last updated on 04/May/21 $$\left({x}+{y}\right)^{\mathrm{2}} =\mathrm{9999}\left({x}−{y}\right)+\mathrm{2}{xy} \\ $$$$\left({x}−{y}\right)^{\mathrm{2}}…
Question Number 139918 by mathsuji last updated on 02/May/21 $$\mathrm{1}+{cos}\mathrm{2}°+{cos}\mathrm{4}°+{cos}\mathrm{6}°+…+{cos}\mathrm{88}° \\ $$ Answered by mr W last updated on 02/May/21 $$\underset{{k}=\mathrm{0}} {\overset{\mathrm{44}} {\sum}}\left(\mathrm{cos}\:\frac{\mathrm{2}{k}\pi}{\mathrm{180}}+{i}\:\mathrm{sin}\:\frac{\mathrm{2}{k}\pi}{\mathrm{180}}\right)=\underset{{k}=\mathrm{0}} {\overset{\mathrm{44}} {\sum}}{e}^{\frac{\mathrm{2}{k}\pi}{\mathrm{180}}{i}}…
Question Number 139911 by mathdanisur last updated on 02/May/21 $$\underset{\:−\mathrm{1}} {\overset{\:\mathrm{1}} {\int}}\frac{\mathrm{1}+\boldsymbol{{z}}^{\mathrm{2}} }{\mathrm{1}+\boldsymbol{{z}}^{\mathrm{4}} }\:{d}\boldsymbol{{z}}=? \\ $$ Answered by Dwaipayan Shikari last updated on 02/May/21 $$\int_{−\mathrm{1}}…
If-the-third-common-multiple-of-two-number-is-495-Find-a-their-LCM-b-the-second-number-if-one-is-15-
Question Number 8828 by tawakalitu last updated on 30/Oct/16 $$\mathrm{If}\:\mathrm{the}\:\mathrm{third}\:\mathrm{common}\:\mathrm{multiple}\:\mathrm{of}\:\mathrm{two}\:\mathrm{number} \\ $$$$\mathrm{is}\:\mathrm{495}.\:\mathrm{Find} \\ $$$$\left(\mathrm{a}\right)\:\mathrm{their}\:\mathrm{LCM} \\ $$$$\left(\mathrm{b}\right)\:\mathrm{the}\:\mathrm{second}\:\mathrm{number}\:\mathrm{if}\:\mathrm{one}\:\mathrm{is}\:\mathrm{15} \\ $$ Commented by Rasheed Soomro last updated on…
Question Number 8827 by tawakalitu last updated on 30/Oct/16 $$\mathrm{The}\:\mathrm{LCM}\:\mathrm{of}\:\mathrm{two}\:\mathrm{numbers}\:\mathrm{is}\:\mathrm{272}\:\mathrm{and}\:\mathrm{one}\:\mathrm{of} \\ $$$$\mathrm{them}\:\mathrm{is}\:\mathrm{16}.\:\mathrm{Find} \\ $$$$\left(\mathrm{a}\right)\:\mathrm{Their}\:\mathrm{second}\:\mathrm{common}\:\mathrm{multiple} \\ $$$$\left(\mathrm{b}\right)\:\mathrm{The}\:\mathrm{other}\:\mathrm{number} \\ $$ Commented by tawakalitu last updated on 31/Oct/16…