Category: Arithmetic

Question Number 156676 by mathlove last updated on 14/Oct/21 Commented by MathSh last updated on 14/Oct/21 $$\frac{2}{\mathrm{a}}+\frac{1}{\mathrm{b}}+\frac{1}{\mathrm{c}}=3\Rightarrow \frac{21}{3}=7$$ Answered by som(math1967) last updated on…

Question Number 156495 by chusrang last updated on 11/Oct/21 $$1.\mathrm{Write}\mathrm{the}\mathrm{first}\mathrm{three}\mathrm{terms}\mathrm{of}\mathrm{each}\mathrm{of}\mathrm{the}\mathrm{following}\mathrm{sequences}:$$$$\left(\mathrm{a}\right){\mathrm{a}}_n=\frac{3^n}{2^n+1}\left(\mathrm{b}\right){\mathrm{a}}_n={(-1)}^{n-1}{n}^3$$ Answered by Rasheed.Sindhi last updated on…

Question Number 25377 by Mr eaay last updated on 09/Dec/17 Answered by mrW1 last updated on 09/Dec/17 $$\frac{1}{15}+\frac{1}{12}=\frac{4+5}{60}=\frac{3}{20}$$$$\frac{20}{3}\approx 7$$$$\Rightarrow in7daystheworkwillbe$$$${completed}. \…

Question Number 156334 by mathlove last updated on 10/Oct/21 Commented by Rasheed.Sindhi last updated on 10/Oct/21 $$Insufficientdata\Rightarrow Notuniqueanswer.$$$$Doyoumeana,b,c\in \mathbb{Z},oranycondition$$$$else?$$ Terms of…

Question Number 156295 by cortano last updated on 10/Oct/21 Answered by MJS_new last updated on 10/Oct/21 $$\frac{14}{2}\times (14-\frac{12}{26}\times 14)+\frac{12}{2}\times (12-\frac{12}{26}\times 14)=86$$ Commented by cortano last updated on…