05/18/13

Find a potential function for the vector field?
Find a potential function for the vector field f(x, y)=2x/y i+(1-x^2)/y^2 j.
Follows • 2
Expert Answers •2

05/16/13

Vertex at (0,5); co-vertex at (1,0)
Write an equation in standard form for the ellipse with the center at the origin 
Follows • 2
Expert Answers •1

05/16/13

converting cartesian co-ordinations to Polar co-ordination for an ellipse
An ellipse with the equation [((x-1)^2)/9]+[(y^2)/8]=1Show that the given ellipse in polar co-ordinates has the form a+rcosTheta = bradditionally determine the values of a and b
Follows • 2
Expert Answers •1

05/15/13

What was the ball's initial speed?
A spring gun at ground level fires a golf ball at an angle of 45 degrees. The ball lands 10 m away. a) What was the ball's initial speed? b) For the same initial speed, find the two firing angles... more
Follows • 4
Expert Answers •3

05/14/13

How do I find the vertex?
I understand how to find the vertex in a traditional quadratic equation.  How do I find it in a difference of two squares equation such as:  X^2 - 36 = 0 ?
Follows • 3
Expert Answers •2

05/14/13

prove identity
Secx-tanxsinx=1/secx
Follows • 3
Expert Answers •2

05/13/13

Help with Trig Equations
csc2(x/2)=2sec(x) Please help me solve for x.
Follows • 2
Expert Answers •1

05/13/13

Find an equation of the plane?
Find an equation of the plane that passes through the point P(-1, 2, 1) and contains the line of intersection of the planes x+y-z=2 and 2x-y+3z=1.
Follows • 3
Expert Answers •1

05/13/13

a plane flies 600 miles with a tail wind in 2 hours. it takes the same plane 3 hours to fly 600 miles when flying against the wind. what is the plane's speed?
it is a distance problem i think
Follows • 2
Expert Answers •1

05/12/13

Equation answer
you own a pizza restaurant the selling price is $12 for each pizza the cost to make each pizza is $5 you have a fixed labor cost of $230 and you sell 85 pizzas what is your profit? How many pizzas... more
Follows • 6
Expert Answers •6

05/11/13

Finding volume of a tetrahedron
The edge is 12 and the height is 12 for the tetrahedron. I know that tetrahedron consists of 4 equilateral triangles. I have a problem with finding the volume because i had two answers. first I... more
Follows • 2
Expert Answers •2

05/11/13

How to find the volume of a frustum?
The frustum has: radii of the top circle base is 9. the radii of the bottom circle is 12. The slant height is 6.  I know you draw the frustum into a cone by extending it. Then you do the volume of... more
Follows • 4
Expert Answers •4

05/11/13

What's the orbital period of the satellite?
A satellite circles planet X in an orbit having a radius of 10^8 m. If the radius of planet X is 10^7 m and the free fall acceleration on the surface of X is 20 m/s^2, what's the orbital period of... more
Follows • 2
Expert Answers •2

05/11/13

Find dz/dy at (1, ln 2, ln 3) if z(x, y)?
Find dz/dy at (1, ln 2, ln 3) if z(x, y) is defined by the equation xe^y+ye^z+2lnx-2-3ln2=0.
Follows • 3
Expert Answers •2

05/11/13

Numbers forming a triangle and right triangle
When given by here numbers, how do you tell if it can form a triangle? Also a right triangle?
Follows • 2
Expert Answers •2

05/11/13

Factoring Algebra 2
x^4 - x^3 + 8x - 8
Follows • 4
Expert Answers •3

05/09/13

Find the x intercept of the eqation
x^-2-3x+2 
Follows • 2
Expert Answers •1

05/08/13

equation of a locus
Find the equation of a locus of point whose distance from the point (2,-2) is equal to its distance from the line      x-y=0    
Follows • 2
Expert Answers •2

05/08/13

Limit questions
Evaluate the limit.. Lim x-->0    1-cos 5x / 1-cos 7x  
Follows • 3
Expert Answers •2

05/08/13

Limit questions
Evaluate the limit.. Lim z-->∞    ln ( 1+e-z)/z  
Follows • 2
Expert Answers •1

05/08/13

Limit questions
Evaluate the limit.. Lim x-->∞ ln ( 1 + 2x ) / x  
Follows • 2
Expert Answers •1

05/06/13

how to solve (1/(x+2))^2+(4/(x+2))-5=0
how to solve this quadratic equation  
Follows • 4
Expert Answers •3

05/06/13

What is the rate of change of temperature?
Suppose the temperature in degrees Celsius at a point (x, y) is described by a function T(x, y) satisfying Tx(2, 7)=4, Ty(2, 7)=2. The position of a crawling ant after t seconds is given by... more
Follows • 3
Expert Answers •2

05/06/13

Find the slope of the tangent line at theta=pi/2?
Find the slope of the tangent line at theta=pi/2 for the curve in the xy plane with the polar equation r=theta.
Follows • 2
Expert Answers •1

05/06/13

word problem set up
angel has 5% alcohol soulution and 20% alcohol solution. She needs 30 liters of a 10% alcohol solution. How many liters of each should she mix to get 30 liters?
Follows • 3
Expert Answers •2

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.