Question Number 14440 by christine last updated on 31/May/17 Answered by prakash jain last updated on 31/May/17 $$\mathrm{number}\:\mathrm{of}\:\mathrm{integer}\:\mathrm{1}\leqslant{n}\leqslant\mathrm{100} \\ $$$$\mathrm{divisible}\:\mathrm{by}\:\mathrm{4}\:=\lfloor\frac{\mathrm{100}}{\mathrm{4}}\rfloor=\mathrm{25} \\ $$$$\mathrm{divisible}\:\mathrm{by}\:\mathrm{6}\:=\lfloor\frac{\mathrm{100}}{\mathrm{6}}\rfloor=\mathrm{16} \\ $$$$\mathrm{divisible}\:\mathrm{by}\:\mathrm{by}\:\mathrm{4}\:\mathrm{and}\:\mathrm{6}\:=\lfloor\frac{\mathrm{100}}{\mathrm{12}}\rfloor=\mathrm{8} \\…
Question Number 79968 by Rio Michael last updated on 29/Jan/20 $${Find}\:{the}\:\mathrm{50}^{{th}} \:{entry}\:{of}\:\:\mathrm{3}.\mathrm{127356432}… \\ $$ Commented by mr W last updated on 29/Jan/20 $${what}'{s}\:{that}? \\ $$…
Question Number 79969 by Rio Michael last updated on 29/Jan/20 $${find}\:{the}\:{general}\:{solution}\:{for}\: \\ $$$$\:\:\mathrm{2sin}\:\mathrm{3}{x}\:=\:\mathrm{sin}\:\mathrm{2}{x} \\ $$ Answered by behi83417@gmail.com last updated on 29/Jan/20 $$\mathrm{2}\left(\mathrm{3sinx}−\mathrm{4sin}^{\mathrm{3}} \mathrm{x}\right)=\mathrm{2sinxcosx} \\…
Question Number 14421 by chux last updated on 31/May/17 $$\mathrm{express}\:\frac{\mathrm{2x}^{\mathrm{2}} −\mathrm{x}+\mathrm{2}}{\left(\mathrm{x}+\mathrm{2}\right)^{\mathrm{2}} \left(\mathrm{1}−\mathrm{2x}\right)}\mathrm{as}\:\mathrm{partial} \\ $$$$\mathrm{fraction} \\ $$ Answered by RasheedSindhi last updated on 01/Jun/17 $$\mathrm{Let} \\…
Question Number 79943 by TawaTawa last updated on 29/Jan/20 Commented by TawaTawa last updated on 29/Jan/20 $$\mathrm{Equilateral}\:\mathrm{triangle}\:\mathrm{not}\:\mathrm{equilibrium}\:\mathrm{triangle} \\ $$ Commented by TawaTawa last updated on…
Question Number 14387 by chux last updated on 31/May/17 Commented by chux last updated on 31/May/17 $$\mathrm{please}\:\mathrm{help}\:\mathrm{me}\:\mathrm{solve}\:\mathrm{no}.\:\mathrm{11}\:\mathrm{and}\:\mathrm{12} \\ $$ Terms of Service Privacy Policy Contact:…
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Question Number 14297 by Tinkutara last updated on 30/May/17 $$\mathrm{Select}\:\mathrm{the}\:\mathrm{correct}\:\mathrm{formulae}\:\mathrm{for} \\ $$$$\mathrm{uniformly}\:\mathrm{accelerated}\:\mathrm{motion}\:\mathrm{along}\:\mathrm{a} \\ $$$$\mathrm{straight}\:\mathrm{line}\:\left(\mathrm{More}\:\mathrm{than}\:\mathrm{one}\:\mathrm{option}\right. \\ $$$$\left.\mathrm{are}\:\mathrm{correct}\right) \\ $$$$\left(\mathrm{1}\right)\:{v}\:=\:{u}\:+\:{at} \\ $$$$\left(\mathrm{2}\right)\:{s}\:=\:\left(\frac{{u}\:+\:{v}}{\mathrm{2}}\right){t} \\ $$$$\left(\mathrm{3}\right)\:{s}\:=\:{vt}\:−\:\frac{\mathrm{1}}{\mathrm{2}}{at}^{\mathrm{2}} \\ $$$$\left(\mathrm{4}\right)\:{s}\:=\:\frac{{v}^{\mathrm{2}} \:−\:{u}^{\mathrm{2}}…
Question Number 14291 by Tinkutara last updated on 30/May/17 $$\mathrm{Is}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{correct}\:\mathrm{for}\:\mathrm{uniformly} \\ $$$$\mathrm{accelerated}\:\mathrm{motion}\:\mathrm{along}\:\mathrm{a}\:\mathrm{straight} \\ $$$$\mathrm{line}? \\ $$$${s}\:=\:{vt}\:−\:\frac{\mathrm{1}}{\mathrm{2}}{at}^{\mathrm{2}} \\ $$ Commented by tawa tawa last updated on…
Question Number 14246 by tawa tawa last updated on 30/May/17 Commented by ajfour last updated on 30/May/17 Commented by ajfour last updated on 30/May/17 $${a}=\frac{{v}−{u}}{\Delta{t}}\:=\frac{\mathrm{25}−\mathrm{30}}{\mathrm{3}}=−\frac{\mathrm{5}}{\mathrm{3}}{m}/{s}^{\mathrm{2}}…