Category: Algebra

Question Number 34870 by Tinkutara last updated on 12/May/18 Commented by Tinkutara last updated on 15/May/18 please help Commented by Tinkutara last updated on 16/May/18 Anyone please see it.…

Question Number 100385 by bobhans last updated on 26/Jun/20 $$\mathrm{find}\mathrm{the}\mathrm{solution}\mathrm{set}\mathrm{of}\mathrm{inequality}$$$$\frac{({\mathrm{x}}^2-9)\sqrt{\mathrm{x}+2}}{\mathrm{x}+\sqrt{{(\mathrm{x}+2)}^2}}⩽0$$ Commented by bobhans last updated on 26/Jun/20 $$\left(\mathrm{1}\right)\:{x}\:\geqslant−\mathrm{2}\:\:\:\:\left(\mathrm{2}\right)\:{x}\:\neq\:−\mathrm{1}\:\:\:\left(\mathrm{3}\right)\:\sqrt{{x}+\mathrm{2}}\:\geqslant\:\mathrm{0} \…

Question Number 100341 by peter frank last updated on 26/Jun/20 $$\mathrm{An}\mathrm{open}\mathrm{box}\mathrm{with}\mathrm{a}\mathrm{square}$$$$\mathrm{base}\mathrm{is}\mathrm{to}\mathrm{be}\mathrm{made}\mathrm{out}$$$$\mathrm{of}\mathrm{a}\mathrm{given}\mathrm{quantity}\mathrm{of}$$$$\mathrm{a}\mathrm{cardboard}\mathrm{of}\mathrm{area}{\mathrm{c}}^2$$$$\mathrm{square}\mathrm{units}.\mathrm{show}\mathrm{the}$$$$\mathrm{maximum}\mathrm{volume}\mathrm{of}\mathrm{the}$$$$\mathrm{box}\:\frac{\mathrm{c}^{\mathrm{2}} }{\mathrm{6}\sqrt{\mathrm{3}}}\:\:\mathrm{cubic}\:\mathrm{units} \…

Question Number 165867 by Bagus1003 last updated on 09/Feb/22 $$2\times x!=\frac{96}{2+1-1}$$$$Howmuchthexis?$$ Commented by MJS_new last updated on 09/Feb/22 $$2+1-1\dots \mathrm{this}\mathrm{is}much\mathrm{too}\mathrm{hard}!\mathrm{please},\mathrm{post}$$$$\mathrm{some}\:\mathrm{easier}\:\mathrm{questions} \…

Question Number 165851 by Bagus1003 last updated on 09/Feb/22 $$2{\left(\cos \left(45\right)\right)}^4=\frac{1}{2}\times \frac{\mathit{\tau }}{x\times 2}+1-\frac{2}{2}$$$$Howmuchthexis?$$ Answered by MJS_new last updated on 09/Feb/22 $$\mathrm{2}\left(\mathrm{cos}\left(\mathrm{45}\right)\right)^{\mathrm{4}} \:=\frac{\mathrm{1}}{\mathrm{2}}×\frac{\tau}{{x}×\mathrm{2}}+\mathrm{1}−\frac{\mathrm{2}}{\mathrm{2}} \…