Answers created by 1s2s2p
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If abs(((3-i)(k+i))/(2-i))=10^(1/2), then the value of k is?
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How do you find the volume bounded by y = e^x , y=0 , x = 0, x = ln2 revolved about the x=axis?
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What is the current in a circuit if the charge passing each point is
10 C in 2 s, 20 C in 40 s,
240 C in 2 minutes?
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How do you find (delf(x,y))/(dely) and (delf(x,y))/(delx) of f(x,y)=(yx^2-2y)/(2ye^x+y^-3), using the quotient rule?
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How do you factor w^4-625?
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How do you solve ln(1-8n)-10=-7?
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How do you add (7+5i)+(2-4i) in trigonometric form?
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If f(x) = 2x^2+1 and g(x) = 3x-2, what is the value of f(g(-2))?
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How do you graph and solve 4 | 3 - z | - 8 = 8?
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In the combustion of butane ("C"_4"H"_10), how many moles of oxygen are required to completely combust 5.26mol of butane?
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If y=y^2+5xy then derivative of y is?
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The first derivative of functions: y^3=e^x ln(x^2-1) is?
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The derivative of y=sin^-1(x/2) is?
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How do you identify the horizontal asymptotes for the following function?
f(x)=(x-8)/(x+3). y=?
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Given log_3(5x^2+x−y)=1 then y=ax^n+x+b, what is a, b, n?
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How do you simplify (tan x + sec x) (tan x-cos x)?
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Contrast the following terms and give one exapmle for each, Electronegativity and electro affinity?
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How do you convert r=sin(theta)+1 to rectangular form?
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How do you solve x^2=2x?
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How do you convert y=-y^2-3x^2-xy into a polar equation?
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How do you use the Binomial Theorem to expand (x-5)^5?
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What does Flat Universe mean?
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If a/b - b/a =3
Then what is the value of a^3/b^3 + b^3/a^3?
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Use the inverse functions to find all solutions in the interval [0, 2π)
3cos^2(x) + 5cos(x) = 0?
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What is the equation of the line tangent to f(x)=(x-2)/(x^2-4) at x=-1 ?
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How Do I test this equation y=x^3-3x for the x-axis, y-axis or origin symmetry?
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A charge of 2 C is at (-2 , 4 ) and a charge of -1 C is at (-6 ,8 ) . If both coordinates are in meters, what is the force between the charges?
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Integration by parts?
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Use first principles to find the gradient of y=tanh(x)?
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What is (6x^{4} - 5x^{3} - 18x^{2} - 5x + 2) -:( 3x + 22)?
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A photon of light with wavelength 700 nm has energy E.A photon of light of what wavelength would correspond to energy 2E?
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How do you find the zeros, if any, of y= -7x^2-x+22using the quadratic formula?
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How do you solve -101\leq 10x - 1\leq 69?
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find the critical numbers of f(x) = 2x^3+x^2+2x?
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What is the derivative of f(t) = (t-lnt^2, t^2-sint ) ?
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How do you solve frac { 3 } { 5 x } + \frac { 7 } { 2 x } = 1?
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What is the domain and range of y=2x-3?
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How do you use the laws of exponents to simplify the expression (-2x^2y)^3(5xy^3)^2?
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What is f(x) = int e^(2x)-e^x+x dx if f(4 ) = 0 ?
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A man weighing 100kg on the earth is found to weigh 101kg when on the space ship .What is the velocity of the space ship ?
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A rod 1m long moves with a velocity of 0.6c.Calculate it's length as it appears to an observer on the earth?
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A rocketship 100m long on the earth is moving with 0.9c.How much it's length will appear to an observer on the earth?
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What does it mean to interpolate a data?
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How would you answer this question?
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How do you find the 10th term of an arithmetic series?
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What is the partial pressure of "CO"_2 in a container that holds 5 moles of "CO"_2, 3 moles of "N"_2, and 1 mole "H"_2 and has a total pressure of 1.05 atm?
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How do you rationalize the denominator and simplify 12/sqrt13?
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How do you use the trapezoidal rule with n = 4 to estimate the integral int_0^(pi/2)cos(x^2)dx?
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Solve the system algebraically?
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Please help. I'm not sure how to do this quickly without multiplying it all out?
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What is the number of REAL solutions of the following equation?
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How do you solve for t in \frac { 1} { r } = \frac { 1} { t - 6}?
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What is the standard form of a polynomial (5h – 3)(3h + 7) ?
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What is the derivative of f(x) = sin(x)-cos^2(x)?
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Use the Binomial Theorem to expand (x+7)^4 and express the result in simplified form?
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A particle moves along the x-axis in such a way that its position at time t is given by x(t) = (2-t)/(1-t). What is the acceleration of the particle at time t=0?
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What is the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 3600 km?
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Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter?
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What is the equation of a parabola that is a vertical translation of y=-5x^2+4x-3 of -12 and a horizontal translation of -9?
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Change into polar form x^2+2y-1=0?
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How much energy is required to melt 7.3g of ice at 0^circC?
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How do you graph and solve abs[2-x/2]-1<=1?
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How do you differentiate given y=(secx^3)sqrt(sin2x)?
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Convert the polar equation to a rectangular equation?! percalc hw help?
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Calculate DeltaS^Theta at 25^circC?
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How do you multiply e^(( 2 pi )/ 3 i) * e^( pi/2 i ) in trigonometric form?
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What is an example of an electric field practice problem?
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Some help please ???
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An object with a mass of 7 kg is hanging from a spring with a constant of 3 (kg)/s^2. If the spring is stretched by 1 m, what is the net force on the object?
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How do you convert r cos(θ) = 9 to rectangular form?
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Radioactive substance disintegrate by 10%in 1 month .How much fraction will disintegrate in 4 months?
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Convert the polar equations to a rectangular equations?!
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What are three consecutive integers that add up to 105?
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How do you convert 9=(5x+y)^2-2y+x into polar form?
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How do you convert 5y= x -2xy into a polar equation?
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How do I convert r=3+3sec(theta) to a Cartesian equation?
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How do I find the derivative of ln(ln(2x))?
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Need help with part b)! How do we show that this is true?
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What is the standard form of y=
(x + 9)
(x + 6) ?
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How do you multiply e^(pi/3i)*e^((3pi)/2i) in trigonometric form?
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I am using V+E-Ir. But I can't get the answer yet as 05 or 0.6 ohm? How?
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How do you differentiate g(z) = z^2cos(z)e^(2+z) using the product rule?
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xsinx is even or odd,?
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Let X be a normally distributed random variable with
μ= 100 and σ= 10. Find the probability that X is between 70 and 110. (Round your answer to the nearest whole number percent and include the percent symbol.) ?
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Technicium-99m has a half-life of 6.00 hours? plot the decay of 800. g of technicium-99m for 5 half-lives
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How do you find the inverse of f(x)=log(x+7)?
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What ester is obtained when mixing propanoic acid with ethanol?
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What is the total intensity of the sun?
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What is Stefan Boltzmann law used for?
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What is Stefan Boltzmann law?
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How do you simplify 5x+6(x -2)-8(x-3)?
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How do you solve |3x - 6| = x + 4?
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Why are amines Lewis bases?
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Given the function k described by k(x)=x+18, how do you find k(-15)?
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Circle A has a center at (3 ,5 ) and an area of 78 pi. Circle B has a center at (1 ,2 ) and an area of 54 pi. Do the circles overlap?
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If f(x) = 6x - 4 and f(a) = 26, what is the value of a?
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The atomic weight of a newly discovered e ement is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu. The second isotope has a percent abundance of 41.7%. What is the mass of the second isotope?
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How do you solve y^2-12y=-35 by completing the square?
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How do you find the derivative of y = sin^2 x?
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How do you solve abs(2g-5)=9?
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