Question Number 209597 by peter frank last updated on 16/Jul/24 Commented by peter frank last updated on 18/Jul/24 $$\mathrm{thank}\:\mathrm{you}\:\mathrm{both} \\ $$ Answered by mr W…
Question Number 209630 by otchereabdullai@gmail.com last updated on 16/Jul/24 $$\:\:{If}\:{A}\:\:{varies}\:{as}\:{r}^{\mathrm{2}} \:{and}\:{V}\:\:{varies}\:{as}\:{r}^{\mathrm{3}} \\ $$$$\:{find}\:{percentage}\:{increase}\:{in}\:{A}\:{and}\:{V} \\ $$$$\:{if}\:\:{r}\:{is}\:{increased}\:{by}\:\mathrm{20\%} \\ $$ Answered by som(math1967) last updated on 17/Jul/24 $$\:{A}\propto{r}^{\mathrm{2}}…
Question Number 209598 by peter frank last updated on 16/Jul/24 Answered by Frix last updated on 16/Jul/24 $${a}:{b}=\mathrm{3}:\mathrm{5} \\ $$$${b}:{c}=\mathrm{2}:\mathrm{4}=\mathrm{5}:\mathrm{10} \\ $$$${a}:{b}:{c}=\mathrm{3}:\mathrm{5}:\mathrm{10} \\ $$ Answered…
Question Number 209599 by peter frank last updated on 16/Jul/24 Answered by Spillover last updated on 16/Jul/24 Answered by Spillover last updated on 16/Jul/24 Answered…
Question Number 209624 by mnjuly1970 last updated on 16/Jul/24 $$ \\ $$$$ \\ $$$$\mathrm{I}=\int_{\mathrm{0}} ^{\:\infty} \int_{\mathrm{0}} ^{\:\infty} \:\frac{\:\mathrm{1}}{\mathrm{1}+\:{x}^{\mathrm{2}} \:+{y}^{\mathrm{2}} \:+{x}^{\mathrm{2}} {y}^{\mathrm{2}} }\:{dxdy}=? \\ $$$$\:{using}\:\:\:\:{polar}\:\:{system}… \\…
Question Number 209593 by Adeyemi889 last updated on 16/Jul/24 Commented by mr W last updated on 16/Jul/24 $${what}\:{the}\:{question}\:{said}\:{is}\:{not}\:{clear}. \\ $$ Terms of Service Privacy Policy…
Question Number 209594 by York12 last updated on 16/Jul/24 $$ \\ $$$$ \\ $$ Commented by justenspi last updated on 16/Jul/24 Terms of Service Privacy…
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Question Number 209602 by peter frank last updated on 16/Jul/24 Answered by som(math1967) last updated on 16/Jul/24 $$\:{let}\:{number}={x} \\ $$$$\:\frac{\mathrm{120}{x}}{\mathrm{100}}\:−\frac{\mathrm{85}{x}}{\mathrm{100}}=\mathrm{14} \\ $$$$\:\frac{\mathrm{35}{x}}{\mathrm{100}}=\mathrm{14} \\ $$$$\Rightarrow{x}=\frac{\mathrm{14}×\mathrm{100}}{\mathrm{35}}=\mathrm{40} \\…
Question Number 209580 by hardmath last updated on 15/Jul/24 $$\mathrm{If}\:\:\:\mathrm{a}_{\boldsymbol{\mathrm{n}}} >\mathrm{0}\:\:\:\mathrm{and}\:\:\:\underset{\boldsymbol{\mathrm{n}}\rightarrow\infty} {\mathrm{lim}}\:\mathrm{a}_{\boldsymbol{\mathrm{n}}} \:=\:\mathrm{0} \\ $$$$\mathrm{Find}:\:\:\:\underset{\boldsymbol{\mathrm{n}}\rightarrow\infty} {\mathrm{lim}}\:\frac{\mathrm{1}}{\mathrm{n}}\:\underset{\boldsymbol{\mathrm{k}}=\mathrm{1}} {\overset{\boldsymbol{\mathrm{n}}} {\sum}}\:\mathrm{ln}\:\left(\frac{\mathrm{k}}{\mathrm{n}}\:+\:\mathrm{a}_{\boldsymbol{\mathrm{n}}} \right)\:=\:? \\ $$ Answered by mr W…