Question Number 77272 by jagoll last updated on 05/Jan/20 $$\mathrm{given}\:\mathrm{T}.\mathrm{ABCD}\:\mathrm{is}\:\mathrm{pyramid}\: \\ $$$$\mathrm{with}\:\mathrm{AB}\:=\:\mathrm{BC}\:=\:\mathrm{8}\:\mathrm{and}\:\mathrm{AT}\:=\:\mathrm{6} \\ $$$$\:.\:\mathrm{P}\:\mathrm{is}\:\mathrm{midpoint}\:\mathrm{BC},\:\mathrm{Q}\:\mathrm{is}\:\mathrm{midpoint}\:\mathrm{AT}. \\ $$$$\mathrm{If}\:\alpha\:\mathrm{is}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{between}\:\mathrm{TP}\:\mathrm{and} \\ $$$$\mathrm{PQ}\:\mathrm{then}\:\mathrm{cos}\:\alpha\:\mathrm{is}\:… \\ $$ Commented by john santu last…
Question Number 76964 by peter frank last updated on 01/Jan/20 $${solve}\:{Differential}\:\:{equation} \\ $$$${x}^{\mathrm{2}} \frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}} }−\mathrm{4}{x}\frac{{dy}}{{dx}}+\mathrm{3}{y}={x}^{\mathrm{3}} +\mathrm{2}{x}+\mathrm{5} \\ $$ Answered by mind is power last…
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Question Number 76663 by aliesam last updated on 29/Dec/19 Answered by benjo 1/2 santuyy last updated on 29/Dec/19 $$\mathrm{2}^{\mathrm{3}{n}\:} \:? \\ $$ Answered by mind…
Question Number 10846 by Saham last updated on 27/Feb/17 $$\mathrm{Two}\:\mathrm{parallel}\:\mathrm{chords}\:\mathrm{of}\:\mathrm{length}\:\mathrm{24}\:\mathrm{cm}\:\mathrm{and}\:\mathrm{10}\:\mathrm{cm}\:\mathrm{which}\:\mathrm{lies}\:\mathrm{on}\:\mathrm{opposite} \\ $$$$\mathrm{sides}\:\mathrm{of}\:\mathrm{a}\:\mathrm{circle}\:\mathrm{are}\:\mathrm{17}\:\mathrm{cm}\:\mathrm{apart}.\:\mathrm{Calculate}\:\mathrm{the}\:\mathrm{radius}\:\mathrm{of}\:\mathrm{the}\:\mathrm{circle} \\ $$$$\mathrm{to}\:\mathrm{the}\:\mathrm{nearest}\:\mathrm{whole}\:\mathrm{number}. \\ $$ Answered by mrW1 last updated on 27/Feb/17 $${r}^{\mathrm{2}} =\left(\frac{{l}}{\mathrm{2}}\right)^{\mathrm{2}}…
Question Number 75955 by benjo last updated on 21/Dec/19 $${help}\:{me}\: \\ $$$$ \\ $$ Answered by benjo last updated on 21/Dec/19 Answered by mr W…
Question Number 141198 by ajfour last updated on 16/May/21 Commented by ajfour last updated on 17/May/21 $${Material}\:{volume}\:{of}\:{sphere} \\ $$$${minus}\:{ellipsoid}\:{is}\:\frac{\mathrm{4}}{\mathrm{3}}\pi{c}\:. \\ $$$${Find}\:{radius}\:{of}\:{sphere}\:{R}. \\ $$$${The}\:{ellipsoid}'{s}\:{radii}\:{are} \\ $$$$\:\:\:{r}_{\mathrm{1}}…
Question Number 10022 by Tawakalitu ayo mi last updated on 21/Jan/17 $$\mathrm{A}\:\mathrm{rectangular}\:\mathrm{building}\:\mathrm{was}\:\mathrm{constructed}\:\mathrm{and} \\ $$$$\mathrm{its}\:\mathrm{height}\:\mathrm{was}\:\mathrm{twice}\:\mathrm{it}\:\mathrm{frontage}.\:\mathrm{The}\:\mathrm{building} \\ $$$$\mathrm{was}\:\mathrm{divided}\:\mathrm{into}\:\mathrm{parts}\:\mathrm{by}\:\mathrm{a}\:\mathrm{partition}\:\mathrm{that}\:\mathrm{is} \\ $$$$\mathrm{30}\:\mathrm{feet}\:\mathrm{from}\:\mathrm{the}\:\mathrm{parallel}\:\mathrm{to}\:\mathrm{the}\:\mathrm{front}\:\mathrm{wall}.\:\mathrm{If} \\ $$$$\mathrm{the}\:\mathrm{near}\:\mathrm{partition}\:\mathrm{of}\:\mathrm{the}\:\mathrm{bulding}\:\mathrm{is}\:\mathrm{3500}\:\mathrm{feet}. \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{dimension}\:\mathrm{of}\:\mathrm{the}\:\mathrm{building}. \\ $$ Terms…
Question Number 9764 by tawakalitu last updated on 01/Jan/17 Answered by sandy_suhendra last updated on 01/Jan/17 Commented by sandy_suhendra last updated on 01/Jan/17 $$\mathrm{OM}=\mathrm{OK}=\mathrm{5}\:\mathrm{cm} \\…
Question Number 140821 by Arzoon last updated on 13/May/21 $${O}\:{is}\:{centre}\:{of}\:{circle}\:{and}\:{square}. \\ $$$${find}\:{yellow}\:{area}\:{in}\:{terms}\:{of}\:{radius}\: \\ $$$${of}\:{circle} \\ $$ Commented by Arzoon last updated on 13/May/21 Terms of…