Question Number 103016 by 175mohamed last updated on 12/Jul/20 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 168548 by Tawa11 last updated on 13/Apr/22 Answered by mr W last updated on 13/Apr/22 $${l}={length}\:{of}\:{spring}\:{without}\:{load} \\ $$$${x}={length}\:{of}\:{spring}\:{under}\:\mathrm{2}{N}\:{load} \\ $$$$\frac{\mathrm{25}−{l}}{\mathrm{5}}=\frac{\mathrm{30}−{l}}{\mathrm{10}}=\frac{{x}−{l}}{\mathrm{2}} \\ $$$$\Rightarrow\frac{\mathrm{5}}{\mathrm{5}}=\frac{{x}−\mathrm{25}}{−\mathrm{3}} \\…
Question Number 168546 by Tawa11 last updated on 12/Apr/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 168538 by Mastermind last updated on 12/Apr/22 Answered by mr W last updated on 12/Apr/22 $${N}=\mathrm{7}{a}+\mathrm{3}=\mathrm{4}{b}+\mathrm{2} \\ $$$$\mathrm{4}{b}−\mathrm{7}{a}=\mathrm{1} \\ $$$$\Rightarrow{b}=\mathrm{7}{k}+\mathrm{2} \\ $$$$\Rightarrow{N}=\mathrm{4}\left(\mathrm{7}{k}+\mathrm{2}\right)+\mathrm{2}=\mathrm{28}{k}+\mathrm{10} \\…
Question Number 168537 by Mastermind last updated on 12/Apr/22 $$\mathrm{4}^{\mathrm{61}} +\mathrm{4}^{\mathrm{62}} +\mathrm{4}^{\mathrm{63}} +\mathrm{4}^{\mathrm{64}\:} \:{is}\:{divisible}\:{by} \\ $$$$\left(\mathrm{1}\right)\:\mathrm{17}\:\:\:\:\:\:\:\:\:\:\left(\mathrm{2}\right)\:\mathrm{3} \\ $$$$\left(\mathrm{3}\right)\:\mathrm{11}\:\:\:\:\:\:\:\:\:\:\left(\mathrm{4}\right)\:\mathrm{13} \\ $$$$ \\ $$$${Mastermind} \\ $$ Answered…
Question Number 168525 by LEKOUMA last updated on 12/Apr/22 $${Resolve} \\ $$$${x}^{\mathrm{2}} {y}^{''} +{xy}^{'} +{y}=\mathrm{1} \\ $$ Answered by mindispower last updated on 13/Apr/22 $${ax}^{\mathrm{2}}…
Question Number 168527 by Mastermind last updated on 12/Apr/22 $${Find}\:{the}\:{value}\:{of}\:{x} \\ $$$${x}^{\mathrm{3}} +\mathrm{64}=\mathrm{0} \\ $$$$ \\ $$$${Mastermind} \\ $$ Answered by Mathspace last updated on…
Question Number 168518 by LEKOUMA last updated on 12/Apr/22 $${R}\acute {{e}soudre}\:{l}'\acute {{e}quation}\:{au}\mathrm{x}\:\mathrm{differentiel}{les} \\ $$$$\mathrm{totales} \\ $$$$\mathrm{2}{xydx}+\left({x}^{\mathrm{2}} −{y}^{\mathrm{2}} \right){dy}=\mathrm{0} \\ $$ Commented by mokys last updated…
Question Number 168492 by Tawa11 last updated on 11/Apr/22 Commented by mr W last updated on 12/Apr/22 $${all}\:{answers}\:{given}\:{are}\:{wrong}! \\ $$$${mgh}=\frac{{kh}^{\mathrm{2}} }{\mathrm{2}} \\ $$$$\Rightarrow{h}=\frac{\mathrm{2}{mg}}{{k}}=\frac{\mathrm{2}×\mathrm{12}×\mathrm{10}}{\mathrm{850}}=\frac{\mathrm{24}}{\mathrm{85}}=\mathrm{0}.\mathrm{282}{m} \\ $$…
Question Number 168421 by Mastermind last updated on 10/Apr/22 $${Calculate}\:{the}\:{compound}\:{interest}\: \\ $$$${on}\:{the}\:{sum}\:{of}\:#\mathrm{400}\:\mathrm{000}\: \\ $$$${for}\:\mathrm{2}{years}\:{at}\:{the}\:{rate}\:{of} \\ $$$$\mathrm{10\%}\:. \\ $$$$ \\ $$$${Mastermind} \\ $$ Terms of Service…