Question and Answers Forum

All Questions   Topic List

AllQuestion and Answers: Page 577

Question Number 161026    Answers: 0   Comments: 0

Question Number 161025    Answers: 1   Comments: 0

Two commodities A and B cost $70 and $80 per kg respectively. If 34.5kg of A is mixed with 26kg of B and the mixture is sold at $85 per kg, calculate the percentage profit. please help me out, I′m somehow confused

$${Two}\:{commodities}\:{A}\:{and}\:{B}\:{cost} \\ $$$$\$\mathrm{70}\:{and}\:\$\mathrm{80}\:{per}\:{kg}\:{respectively}. \\ $$$${If}\:\mathrm{34}.\mathrm{5}{kg}\:{of}\:{A}\:{is}\:{mixed}\:{with}\:\mathrm{26}{kg} \\ $$$${of}\:{B}\:{and}\:{the}\:{mixture}\:{is}\:{sold}\:{at} \\ $$$$\$\mathrm{85}\:{per}\:{kg},\:{calculate}\:{the}\:{percentage} \\ $$$${profit}. \\ $$$${please}\:{help}\:{me}\:{out},\:{I}'{m}\:{somehow} \\ $$$${confused} \\ $$

Question Number 161023    Answers: 1   Comments: 2

Question Number 161020    Answers: 1   Comments: 0

etudier la convergence ∫_0 ^(+oo) (1/( (√(x(1+x^2 )))))dx

$${etudier}\:{la}\:{convergence} \\ $$$$\int_{\mathrm{0}} ^{+{oo}} \frac{\mathrm{1}}{\:\sqrt{{x}\left(\mathrm{1}+{x}^{\mathrm{2}} \right)}}{dx} \\ $$

Question Number 161035    Answers: 2   Comments: 0

Solve for x ε R (√((√3)−x)) = x(√((√3)+x))

$${Solve}\:{for}\:{x}\:\epsilon\:\mathbb{R}\: \\ $$$$\:\sqrt{\sqrt{\mathrm{3}}−{x}}\:=\:{x}\sqrt{\sqrt{\mathrm{3}}+{x}}\: \\ $$

Question Number 161033    Answers: 1   Comments: 0

Question Number 161032    Answers: 1   Comments: 0

Question Number 161011    Answers: 0   Comments: 0

Question Number 161010    Answers: 0   Comments: 0

Question Number 161005    Answers: 1   Comments: 0

A=(1/(1×2))+(1/(3×4))+(1/(5×6))+....+(1/(37×38))+(1/(39×40)) B=(1/(21×40))+(1/(22×39))+(1/(23×38))+....+(1/(39×22))+(1/(40×21)) (A/B)=?

$$\boldsymbol{{A}}=\frac{\mathrm{1}}{\mathrm{1}×\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{3}×\mathrm{4}}+\frac{\mathrm{1}}{\mathrm{5}×\mathrm{6}}+....+\frac{\mathrm{1}}{\mathrm{37}×\mathrm{38}}+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{40}} \\ $$$$\boldsymbol{{B}}=\frac{\mathrm{1}}{\mathrm{21}×\mathrm{40}}+\frac{\mathrm{1}}{\mathrm{22}×\mathrm{39}}+\frac{\mathrm{1}}{\mathrm{23}×\mathrm{38}}+....+\frac{\mathrm{1}}{\mathrm{39}×\mathrm{22}}+\frac{\mathrm{1}}{\mathrm{40}×\mathrm{21}} \\ $$$$\frac{\boldsymbol{{A}}}{\boldsymbol{{B}}}=? \\ $$

Question Number 161003    Answers: 0   Comments: 0

Question Number 161002    Answers: 1   Comments: 0

If lim_(x→0) ((ax)/( ((1+2x))^(1/3) (√(1+bx)) −1)) = (1/2) then a×b =?

$$\:\:\:\mathrm{If}\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{ax}}{\:\sqrt[{\mathrm{3}}]{\mathrm{1}+\mathrm{2x}}\:\sqrt{\mathrm{1}+\mathrm{bx}}\:−\mathrm{1}}\:=\:\frac{\mathrm{1}}{\mathrm{2}} \\ $$$$\:\:\:\:\:\:\:\mathrm{then}\:\mathrm{a}×\mathrm{b}\:=? \\ $$

Question Number 161000    Answers: 0   Comments: 1

(√(1−((x+1)/x))) + ∣x−3∣ ≥ 0

$$\:\:\sqrt{\mathrm{1}−\frac{\mathrm{x}+\mathrm{1}}{\mathrm{x}}}\:+\:\mid\mathrm{x}−\mathrm{3}\mid\:\geqslant\:\mathrm{0}\: \\ $$

Question Number 160998    Answers: 0   Comments: 0

Question Number 160995    Answers: 0   Comments: 1

lim_(x→0) (((sin 2x−2tan x)^2 +(1−cos 2x)^3 )/(tan^7 6x +sin^6 x))=?

$$\:\:\:\:\:\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\left(\mathrm{sin}\:\mathrm{2x}−\mathrm{2tan}\:\mathrm{x}\right)^{\mathrm{2}} +\left(\mathrm{1}−\mathrm{cos}\:\mathrm{2x}\right)^{\mathrm{3}} }{\mathrm{tan}\:^{\mathrm{7}} \mathrm{6x}\:+\mathrm{sin}\:^{\mathrm{6}} \mathrm{x}}=? \\ $$

Question Number 160993    Answers: 4   Comments: 0

Question Number 160989    Answers: 0   Comments: 0

Question Number 160988    Answers: 0   Comments: 0

Question Number 160987    Answers: 1   Comments: 0

Solve for x log _(log _6 (x−1)) (64) = 6

$$\:\mathrm{Solve}\:\mathrm{for}\:\mathrm{x}\: \\ $$$$\:\:\:\:\:\:\mathrm{log}\:_{\mathrm{log}\:_{\mathrm{6}} \left(\mathrm{x}−\mathrm{1}\right)} \left(\mathrm{64}\right)\:=\:\mathrm{6}\: \\ $$

Question Number 160982    Answers: 0   Comments: 0

Ω = ∫_0 ^( 1) (( ln (−ln (x)))/(1+x)) dx =^? ((−1)/2) ln^( 2) (2)

$$ \\ $$$$\:\:\:\:\:\:\Omega\:=\:\int_{\mathrm{0}} ^{\:\mathrm{1}} \frac{\:{ln}\:\left(−{ln}\:\left({x}\right)\right)}{\mathrm{1}+{x}}\:{dx}\:\overset{?} {=}\frac{−\mathrm{1}}{\mathrm{2}}\:{ln}^{\:\mathrm{2}} \left(\mathrm{2}\right) \\ $$

Question Number 160981    Answers: 0   Comments: 1

Question Number 160980    Answers: 2   Comments: 0

How many ways can 50 people be divided into 3 groups, so that each group contains members equal to a prime number?

$$\:\mathrm{How}\:\mathrm{many}\:\mathrm{ways}\:\mathrm{can}\:\mathrm{50}\:\mathrm{people} \\ $$$$\:\mathrm{be}\:\mathrm{divided}\:\mathrm{into}\:\mathrm{3}\:\mathrm{groups},\:\mathrm{so} \\ $$$$\:\mathrm{that}\:\mathrm{each}\:\mathrm{group}\:\mathrm{contains}\:\mathrm{members} \\ $$$$\:\mathrm{equal}\:\mathrm{to}\:\mathrm{a}\:\mathrm{prime}\:\mathrm{number}? \\ $$

Question Number 160979    Answers: 1   Comments: 0

Ω=∫_0 ^1 x^(n−1) ln(1−x)dx=??? n≥1

$$\Omega=\int_{\mathrm{0}} ^{\mathrm{1}} \boldsymbol{\mathrm{x}}^{\boldsymbol{\mathrm{n}}−\mathrm{1}} \boldsymbol{\mathrm{ln}}\left(\mathrm{1}−\boldsymbol{\mathrm{x}}\right)\boldsymbol{\mathrm{dx}}=???\:\:\: \\ $$$$\boldsymbol{\mathrm{n}}\geqslant\mathrm{1} \\ $$

Question Number 160976    Answers: 2   Comments: 0

Question Number 160970    Answers: 1   Comments: 0

there are even number divided all odd number what is the number ?

$${there}\:{are}\:{even}\:{number}\:{divided}\:{all}\:{odd} \\ $$$${number}\:{what}\:{is}\:{the}\:{number}\:? \\ $$

Question Number 160969    Answers: 1   Comments: 0

∫_(−2) ^( 2) x^3 cos((x/2)) (√(4−x^2 )) dx

$$\int_{−\mathrm{2}} ^{\:\mathrm{2}} {x}^{\mathrm{3}} {cos}\left(\frac{{x}}{\mathrm{2}}\right)\:\sqrt{\mathrm{4}−{x}^{\mathrm{2}} }\:{dx} \\ $$

  Pg 572      Pg 573      Pg 574      Pg 575      Pg 576      Pg 577      Pg 578      Pg 579      Pg 580      Pg 581   

Terms of Service

Privacy Policy

Contact: info@tinkutara.com