Category: Arithmetic

Question Number 210875 by peter frank last updated on 20/Aug/24 Answered by mahdipoor last updated on 20/Aug/24 $$gettimeish:m\mathrm{\&}verticallineisrefrence$$$$anglehuur\mathrm{\_}hand:\frac{360}{12}h+\frac{360}{12\times 60}m$$$$angleminute\mathrm{\_}hand:\frac{360}{60}m$$$$\Rightarrow\angle=\mid{h}−{m}\mid=\mid\mathrm{30}{h}−\mathrm{5}.\mathrm{5}{m}\mid\:{or}\:\mathrm{360}−\mid\mathrm{30}{h}−\mathrm{5}.\mathrm{5}{m}\mid \…

Question Number 210605 by peter frank last updated on 13/Aug/24 Answered by A5T last updated on 13/Aug/24 $$a=2^x;b=2^y\Rightarrow a+b=18;\frac{a}{b}=5\Rightarrow a=5b$$$$\Rightarrow 6b=18\Rightarrow b=3\Rightarrow a=15$$$$\mathrm{2}^{{x}+{y}} ={ab}=\mathrm{15}×\mathrm{3}=\mathrm{45}…

Question Number 210456 by peter frank last updated on 09/Aug/24 Commented by mr W last updated on 09/Aug/24 $$whoknowswhatis2andwhatisz$$$$whenyouwritethemidentically?$$ Commented by…

Question Number 209860 by lmcp1203 last updated on 23/Jul/24 $$$$$$\mathrm{Magnitude}\mathrm{A}\mathrm{varies}\mathrm{proportionally}\mathrm{with}(\mathrm{B}\mathrm{squared}+4)\mathrm{and}\mathrm{magnitude}\mathrm{B}\mathrm{varies}\mathrm{proportionally}\mathrm{with}$$$$\left(t\mathrm{he}\mathrm{root}\mathrm{of}\mathrm{C}\right)-5.\mathrm{Also}\mathrm{when}\mathrm{A}\mathrm{is}16,\mathrm{B}\mathrm{is}12\mathrm{and}\mathrm{C}\mathrm{takes}\mathrm{the}\mathrm{value}81.\mathrm{Calculate}\mathrm{the}\mathrm{value}\mathrm{that}\mathrm{A}\mathrm{takes}$$$$\mathrm{wh}e\mathrm{n}\mathrm{C}\mathrm{is}49.helpme.please.thanks$$ Answered by mr W last updated on…

Question Number 209598 by peter frank last updated on 16/Jul/24 Answered by Frix last updated on 16/Jul/24 $$a:b=3:5$$$$b:c=2:4=5:10$$$$a:b:c=3:5:10$$ Answered…