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Question Number 159029 by otchereabdullai@gmail.com last updated on 12/Nov/21 $$\mathrm{In}\mathrm{a}\mathrm{box}\mathrm{of}\mathrm{marbles},\mathrm{the}\mathrm{ratio}\mathrm{of}\mathrm{red}$$$$\mathrm{marble}\mathrm{to}\mathrm{total}\mathrm{marble}\mathrm{is}2:5,\mathrm{the}$$$$\mathrm{ratio}\mathrm{of}\mathrm{green}\mathrm{marble}\mathrm{to}\mathrm{the}\mathrm{total}$$$$\mathrm{marble}\mathrm{is}3:10.\mathrm{If}\mathrm{the}\mathrm{marbles}\mathrm{that}\mathrm{are}$$$$\mathrm{neither}\mathrm{red}\mathrm{nor}\mathrm{green}\mathrm{are}\mathrm{blue},\mathrm{how}$$$$\mathrm{many}\mathrm{marbles}\mathrm{are}\mathrm{in}\mathrm{the}\mathrm{box}\mathrm{if}\mathrm{there}$$$$\mathrm{are}40\mathrm{marbles}\mathrm{in}\mathrm{the}\mathrm{box}$$ Commented…

Question Number 27944 by Tinkutara last updated on 17/Jan/18 $$DidanybodygiveSilverzoneiOMof$$$$class11?$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 159010 by SANOGO last updated on 11/Nov/21 $$f:N\to N$$$$n\to \{{}_{n+1siimpair}^{nsipaire}$$$$fest-ilinjective,surjoubijec?$$ Commented by SLVR last updated on 12/Nov/21…

Question Number 158988 by cortano last updated on 11/Nov/21 Answered by Rasheed.Sindhi last updated on 11/Nov/21 $$\mathcal{T}hegraphoff\left(x\right)intersectsy=2x-1$$$$atx=1,2,3$$$$\therefore \mathcal{T}hepointsofintersections:$$$$(1,2\left(1\right)-1),(2,2\left(2\right)-1)\mathrm{\&}(3,2\left(3\right)-1)$$$$\:\:\:{Or}\:\left(\mathrm{1},\mathrm{1}\right),\left(\mathrm{2},\mathrm{3}\right)\:\&\:\left(\mathrm{3},\mathrm{5}\right)\:…

Question Number 27909 by mondodotto@gmail.com last updated on 16/Jan/18 Commented by abdo imad last updated on 16/Jan/18 $$wehave\frac{d}{dx}ln(1-x)=\frac{-1}{1-x}=-\sum _{n=0}^{\propto }{x}^n$$$$\Rightarrow\:{ln}\left(\mathrm{1}−{x}\right)=\:−\sum_{{n}=\mathrm{0}} ^{\propto} \:\frac{{x}^{{n}+\mathrm{1}} }{{n}+\mathrm{1}}\:=−\sum_{{n}=\mathrm{1}}…