Question Number 209639 by SonGoku last updated on 17/Jul/24 Commented by SonGoku last updated on 17/Jul/24 $$\mathrm{In}\:\mathrm{the}\:\mathrm{figure},\:\mathrm{DC}//\mathrm{FG}\:\mathrm{is}\:\mathrm{the}\:\mathrm{width}\:\mathrm{of}\:\mathrm{a}\:\mathrm{river}. \\ $$$$\mathrm{How}\:\mathrm{wideis}\:\mathrm{this}\:\mathrm{river}? \\ $$$$\left(\mathrm{How}\:\mathrm{do}\:\mathrm{I}\:\mathrm{solve}\:\mathrm{it}?\right) \\ $$ Answered by…
Question Number 209633 by Abdullahrussell last updated on 17/Jul/24 Answered by som(math1967) last updated on 17/Jul/24 $$\left({x}+\mathrm{1}\right)\left(\mathrm{3}{x}+\mathrm{2}\right)\left(\mathrm{6}{x}+\mathrm{5}\right)^{\mathrm{2}} =\mathrm{6} \\ $$$$\Rightarrow\left(\mathrm{3}{x}^{\mathrm{2}} +\mathrm{5}{x}+\mathrm{2}\right)\left(\mathrm{36}{x}^{\mathrm{2}} +\mathrm{60}{x}+\mathrm{25}\right)=\mathrm{6} \\ $$$$\Rightarrow\left({a}+\mathrm{2}\right)\left(\mathrm{12}{a}+\mathrm{25}\right)=\mathrm{6} \\…
Question Number 209650 by Davidtim last updated on 17/Jul/24 $${if}\:{the}\:{acceleration}\:{is}\:{constant},\:{what}\: \\ $$$${will}\:{be}\:{the}\:{average}\:{and}\:{instantaneous} \\ $$$${accelerations}? \\ $$ Commented by mr W last updated on 18/Jul/24 $${if}\:{acc}.\:={constant}={a},\:{then}…
Question Number 209597 by peter frank last updated on 16/Jul/24 Commented by peter frank last updated on 18/Jul/24 $$\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…