Question Number 178115 by aurpeyz last updated on 12/Oct/22 $$\frac{{n}}{\mathrm{390}}\:{is}\:{a}\:{prime}\:{number}\:{less}\:{than}\:\mathrm{12}\:{and}\: \\ $$$${one}\:{of}\:{the}\:{prime}\:{factor}\:{of}\:\:{n}\:{is}\:{not}\: \\ $$$${a}\:{prime}\:{factor}\:{of}\:\mathrm{390}. \\ $$$${Qty}\:{A}:\:{n} \\ $$$${Qty}\:{B}:\:\mathrm{3000} \\ $$ Answered by Rasheed.Sindhi last updated…
Question Number 178114 by aurpeyz last updated on 12/Oct/22 $${n}\:{is}\:{an}\:{integer}\:{greater}\:{than}\:\mathrm{1}. \\ $$$${Quantity}\:{A}:\:{the}\:{number}\:{of}\:{positive}\:{divisor} \\ $$$${of}\:\mathrm{2}{n}. \\ $$$${Quantity}\:{B}:\:{twice}\:{the}\:{number}\:{of}\:{positive} \\ $$$${divisors}\:{of}\:{n} \\ $$ Commented by mr W last…
Question Number 47035 by 23kpratik last updated on 04/Nov/18 $$\left({d}^{\mathrm{2}} +{a}^{\mathrm{2}} \right){y}={tan}\:{ax}\:{by}\:{the}\:{method}\:{of}\:{variation}\:{of}\:{parameters} \\ $$ Commented by tanmay.chaudhury50@gmail.com last updated on 04/Nov/18 $${pls}\:{clarify}\:\:{d}\:{means}\:\frac{{d}}{{dx}}\:{is}\:{it}… \\ $$ Answered…
Question Number 47036 by 23kpratik last updated on 04/Nov/18 $${let}\:{m},{n}\:{denotes}\:{any}\:{two}\:{possitive},{relative}\:{prime}\:{integers},\:{then}\:{prove}\:{that}\:\phi\left({mn}\right)=\phi\left({m}\right)\centerdot\phi\left({n}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 178103 by aurpeyz last updated on 12/Oct/22 $${A}\:{sample}\:{of}\:\mathrm{18}\:{integers}\:{has}\:{an}\:{average}\: \\ $$$$\left({arithemetic}\:{mean}\right)\:{equal}\:{to}\:{M}\:{and}\:{standard} \\ $$$${deviation}\:{equal}\:{to}\:{S}.\:{Two}\:{of}\:{the}\:{integers} \\ $$$${are}\:{equal}\:{to}\:{m}. \\ $$$${Quantity}\:{A}:\:{The}\:{standard}\:{devuaition}\:{of} \\ $$$${the}\:\mathrm{16}\:{integers}\:{that}\:{are}\:{not}\:{equal}\:{to}\:{m}. \\ $$$${Quantity}\:{B}:\:{S} \\ $$ Commented…
Question Number 178101 by aurpeyz last updated on 12/Oct/22 $${x}\:{and}\:{s}\:{are}\:{positive} \\ $$$${Quantity}\:{A}:\:{the}\:{amount}\:{of}\:{money}\:{invested} \\ $$$${for}\:{one}\:{year}\:{at}\:{x}/\mathrm{2}\:{percent}\:{simple}\:{interest} \\ $$$${that}\:{will}\:{earn}\:\mathrm{2}{x}\:{dollars}\:{in}\:{interest}\:{in}\:{that} \\ $$$${year}. \\ $$$${Quantity}\:{B}:\:{the}\:{amount}\:{of}\:{money}\:{invested} \\ $$$${for}\:{one}\:{year}\:{at}\:{x}\:{percent}\:{simple}\:{annual} \\ $$$${interest}\:{that}\:{will}\:{earn}\:{s}\:{dollars}\:{in}\:{interest} \\…
Question Number 47034 by 23kpratik last updated on 04/Nov/18 $${find}\:{angel}\:{between}\:{spheres}\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} =\mathrm{29},\:{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} +\mathrm{4}{x}−\mathrm{6}{y}−\mathrm{8}{z}−\mathrm{47}=\mathrm{0}\:\:\left(\mathrm{4},−\mathrm{3},\mathrm{2}\right) \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 04/Nov/18…
Question Number 178102 by aurpeyz last updated on 12/Oct/22 $${I}\:{am}\:{really}\:{learning}\:{here}.\:{I}\:{am}\:{studying} \\ $$$${for}\:{GRE} \\ $$ Commented by Acem last updated on 12/Oct/22 $${Good}\:{luck}! \\ $$ Commented…
Question Number 178064 by aurpeyz last updated on 12/Oct/22 $${A}\:{group}\:{of}\:{n}\:{people}\:{is}\:{categorized}\:{as}\:{follows}. \\ $$$$\mathrm{14}\:{people}\:{are}\:{shorter}\:{than}\:\mathrm{5}\frac{\mathrm{1}}{\mathrm{2}}\:{feet} \\ $$$$\mathrm{9}\:{people}\:{are}\:{taller}\:{than}\:\mathrm{6}\:{feet} \\ $$$$\mathrm{12}\:{people}\:{are}\:{under}\:\mathrm{21}\:{years}\:{old}. \\ $$$${if}\:{each}\:{person}\:{in}\:{the}\:{group}\:{is}\:{in}\:{at}\:{least} \\ $$$${one}\:{of}\:{the}\:{three}\:{categories}.\:{then}\:{n}\:{can}\:{be} \\ $$$${any}\:{integer}\:{between}\: \\ $$$${a}.\:\mathrm{9}\:{and}\:\mathrm{14}\:{inclusive} \\…
Question Number 178067 by aurpeyz last updated on 12/Oct/22 Terms of Service Privacy Policy Contact: info@tinkutara.com