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AllQuestion and Answers: Page 482

Question Number 171834 Answers: 0 Comments: 0

solve for x: x^x^x^x =2

$${solve}\:{for}\:{x}: \\ $$$${x}^{{x}^{{x}^{{x}} } } =\mathrm{2} \\ $$

Question Number 171833 Answers: 0 Comments: 0

solve: ax^3 +bx^2 +cx+d=0

$${solve}: \\ $$$${ax}^{\mathrm{3}} +{bx}^{\mathrm{2}} +{cx}+{d}=\mathrm{0} \\ $$

Question Number 171830 Answers: 0 Comments: 0

solve for x,y,z xy+3x+2y=−6 yz+y+3z=−3 zx+2z+x=2

$${solve}\:{for}\:{x},{y},{z} \\ $$$${xy}+\mathrm{3}{x}+\mathrm{2}{y}=−\mathrm{6} \\ $$$${yz}+{y}+\mathrm{3}{z}=−\mathrm{3} \\ $$$${zx}+\mathrm{2}{z}+{x}=\mathrm{2} \\ $$

Question Number 171829 Answers: 1 Comments: 0

please i need cubic formula

$${please}\:{i}\:{need}\:{cubic}\:{formula} \\ $$$$ \\ $$

Question Number 171828 Answers: 0 Comments: 2

solve for x: 2log_x 4=log_2 x

$${solve}\:{for}\:{x}: \\ $$$$\mathrm{2}{log}_{{x}} \mathrm{4}={log}_{\mathrm{2}} {x} \\ $$$$ \\ $$

Question Number 171827 Answers: 0 Comments: 0

solve for x and y: x^2 −2xy=5 xy+3y^2 =10

$${solve}\:{for}\:{x}\:{and}\:{y}: \\ $$$${x}^{\mathrm{2}} −\mathrm{2}{xy}=\mathrm{5} \\ $$$${xy}+\mathrm{3}{y}^{\mathrm{2}} =\mathrm{10} \\ $$

Question Number 171826 Answers: 1 Comments: 0

if a+b+c=0,find the value of (a^2 /(bc))+(b^2 /(ca))+(c^2 /(ab))

$${if}\:{a}+{b}+{c}=\mathrm{0},{find}\:{the}\:{value}\:{of}\: \\ $$$$\frac{{a}^{\mathrm{2}} }{{bc}}+\frac{{b}^{\mathrm{2}} }{{ca}}+\frac{{c}^{\mathrm{2}} }{{ab}} \\ $$

Question Number 171825 Answers: 1 Comments: 0

solve for x and y: x^2 +y^2 =10 (1/x)+(1/y)=(4/3)

$${solve}\:{for}\:{x}\:{and}\:{y}: \\ $$$${x}^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{10} \\ $$$$\frac{\mathrm{1}}{{x}}+\frac{\mathrm{1}}{{y}}=\frac{\mathrm{4}}{\mathrm{3}} \\ $$

Question Number 171824 Answers: 0 Comments: 0

solve for a,b,c,d a+b=9 ab+c+d=29 ad+bc=3 cd=18

$${solve}\:{for}\:{a},{b},{c},{d} \\ $$$${a}+{b}=\mathrm{9} \\ $$$${ab}+{c}+{d}=\mathrm{29} \\ $$$${ad}+{bc}=\mathrm{3} \\ $$$${cd}=\mathrm{18} \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 171823 Answers: 1 Comments: 0

solve for y: y^4 −34y^2 +225=0

$${solve}\:{for}\:{y}: \\ $$$${y}^{\mathrm{4}} −\mathrm{34}{y}^{\mathrm{2}} +\mathrm{225}=\mathrm{0} \\ $$

Question Number 171822 Answers: 0 Comments: 1

solve for x: x^x^x^(2017) =2017

$${solve}\:{for}\:{x}: \\ $$$${x}^{{x}^{{x}^{\mathrm{2017}} } } =\mathrm{2017} \\ $$

Question Number 171821 Answers: 0 Comments: 1

solve for x: x(√x) −11(√x) =10, find x−(√x)

$${solve}\:{for}\:{x}: \\ $$$${x}\sqrt{{x}}\:−\mathrm{11}\sqrt{{x}}\:=\mathrm{10},\:{find}\:{x}−\sqrt{{x}} \\ $$

Question Number 171820 Answers: 0 Comments: 1

solve for x: x^x =2^(2048)

$${solve}\:{for}\:{x}: \\ $$$${x}^{{x}} =\mathrm{2}^{\mathrm{2048}} \\ $$

Question Number 171816 Answers: 0 Comments: 0

solve for x: ((3(x−2)+4(√(2x^3 −3x+1)))/(2(x^3 −1)))=1

$${solve}\:{for}\:{x}: \\ $$$$\frac{\mathrm{3}\left({x}−\mathrm{2}\right)+\mathrm{4}\sqrt{\mathrm{2}{x}^{\mathrm{3}} −\mathrm{3}{x}+\mathrm{1}}}{\mathrm{2}\left({x}^{\mathrm{3}} −\mathrm{1}\right)}=\mathrm{1} \\ $$

Question Number 171815 Answers: 1 Comments: 0

solve for x: (2−x^2 )^(x^2 −3(√(2 )) x+4) =1

$${solve}\:{for}\:{x}: \\ $$$$\left(\mathrm{2}−{x}^{\mathrm{2}} \right)^{{x}^{\mathrm{2}} −\mathrm{3}\sqrt{\mathrm{2}\:}\:{x}+\mathrm{4}} =\mathrm{1} \\ $$

Question Number 171813 Answers: 0 Comments: 0

solve for x: x+((10)/( (√(x^2 +4))))=(√(x^2 +4))

$${solve}\:{for}\:{x}: \\ $$$${x}+\frac{\mathrm{10}}{\:\sqrt{{x}^{\mathrm{2}} +\mathrm{4}}}=\sqrt{{x}^{\mathrm{2}} +\mathrm{4}} \\ $$$$ \\ $$

Question Number 171812 Answers: 0 Comments: 0

Question Number 171810 Answers: 0 Comments: 0

Solve for real numbers: x^(32) + x^(16) + y^2 = 2(√2) x^(12) y

$$\mathrm{Solve}\:\mathrm{for}\:\mathrm{real}\:\mathrm{numbers}: \\ $$$$\mathrm{x}^{\mathrm{32}} \:\:+\:\:\mathrm{x}^{\mathrm{16}} \:\:+\:\:\mathrm{y}^{\mathrm{2}} \:\:=\:\:\mathrm{2}\sqrt{\mathrm{2}}\:\:\mathrm{x}^{\mathrm{12}} \:\mathrm{y} \\ $$

Question Number 171809 Answers: 0 Comments: 0

solve for x and y: x^3 +12xy^2 =679 9x^2 y+12y^3 =978.

$${solve}\:{for}\:{x}\:{and}\:{y}: \\ $$$${x}^{\mathrm{3}} +\mathrm{12}{xy}^{\mathrm{2}} =\mathrm{679} \\ $$$$\mathrm{9}{x}^{\mathrm{2}} {y}+\mathrm{12}{y}^{\mathrm{3}} =\mathrm{978}. \\ $$

Question Number 171806 Answers: 0 Comments: 0

∫_2 ^( (5/2)) E(x^2 )dx

$$\int_{\mathrm{2}} ^{\:\frac{\mathrm{5}}{\mathrm{2}}} {E}\left({x}^{\mathrm{2}} \right){dx} \\ $$

Question Number 171801 Answers: 1 Comments: 0

Two numbers are respectively 20% and 10% more than a third number. How much percent is the first number more than the second? Mastermind

$$\mathrm{Two}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{respectively}\:\mathrm{20\%}\:\mathrm{and} \\ $$$$\mathrm{10\%}\:\mathrm{more}\:\mathrm{than}\:\mathrm{a}\:\mathrm{third}\:\mathrm{number}.\:\mathrm{How}\: \\ $$$$\mathrm{much}\:\mathrm{percent}\:\mathrm{is}\:\mathrm{the}\:\mathrm{first}\:\mathrm{number}\:\mathrm{more} \\ $$$$\mathrm{than}\:\mathrm{the}\:\mathrm{second}? \\ $$$$ \\ $$$$\mathrm{Mastermind} \\ $$

Question Number 171800 Answers: 0 Comments: 0

Question Number 171799 Answers: 0 Comments: 0

Two numbers are less than a third number by 30% and 37% respectively. how much percent is the second less than the first? Mastermind

$$\mathrm{Two}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{less}\:\mathrm{than}\:\mathrm{a}\:\mathrm{third}\: \\ $$$$\mathrm{number}\:\mathrm{by}\:\mathrm{30\%}\:\mathrm{and}\:\mathrm{37\%}\:\mathrm{respectively}. \\ $$$$\mathrm{how}\:\mathrm{much}\:\mathrm{percent}\:\mathrm{is}\:\mathrm{the}\:\mathrm{second}\:\mathrm{less} \\ $$$$\mathrm{than}\:\mathrm{the}\:\mathrm{first}? \\ $$$$ \\ $$$$\mathrm{Mastermind} \\ $$

Question Number 171798 Answers: 0 Comments: 0

Two numbers are respectively 60% and 20% more than a third number, second number expressed as a percentage of first is Mastermind

$$\mathrm{Two}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{respectively}\:\mathrm{60\%}\:\mathrm{and} \\ $$$$\mathrm{20\%}\:\mathrm{more}\:\mathrm{than}\:\mathrm{a}\:\mathrm{third}\:\mathrm{number},\:\mathrm{second} \\ $$$$\mathrm{number}\:\mathrm{expressed}\:\mathrm{as}\:\mathrm{a}\:\mathrm{percentage}\:\mathrm{of} \\ $$$$\mathrm{first}\:\mathrm{is}\: \\ $$$$ \\ $$$$\mathrm{Mastermind} \\ $$

Question Number 171796 Answers: 0 Comments: 0

If the given two numbers are respec− tively 7% and 28% of a third number, then what percentage is the first of the second? Mastermind

$$\mathrm{If}\:\mathrm{the}\:\mathrm{given}\:\mathrm{two}\:\mathrm{numbers}\:\mathrm{are}\:\mathrm{respec}− \\ $$$$\mathrm{tively}\:\mathrm{7\%}\:\mathrm{and}\:\mathrm{28\%}\:\mathrm{of}\:\mathrm{a}\:\mathrm{third}\:\mathrm{number}, \\ $$$$\mathrm{then}\:\mathrm{what}\:\mathrm{percentage}\:\mathrm{is}\:\mathrm{the}\:\mathrm{first}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{second}? \\ $$$$ \\ $$$$\mathrm{Mastermind} \\ $$

Question Number 171795 Answers: 0 Comments: 0

If A′s income is 25% less than that of B, then how much percent is B′s income more than that of A? Mastermind

$$\mathrm{If}\:\mathrm{A}'\mathrm{s}\:\mathrm{income}\:\mathrm{is}\:\mathrm{25\%}\:\mathrm{less}\:\mathrm{than}\:\mathrm{that}\:\mathrm{of}\:\mathrm{B}, \\ $$$$\mathrm{then}\:\mathrm{how}\:\mathrm{much}\:\mathrm{percent}\:\mathrm{is}\:\mathrm{B}'\mathrm{s}\:\mathrm{income} \\ $$$$\mathrm{more}\:\mathrm{than}\:\mathrm{that}\:\mathrm{of}\:\mathrm{A}? \\ $$$$ \\ $$$$\mathrm{Mastermind} \\ $$

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