Answer to: a. Write the equation of the hyperbola in standard form. b. Identify the center, vertices, and foci: -9x^2+y^2+2y-8=0 By signing up,...
Answer to: Determine the volume that lies under f(x,y) = 10 + xy \; sin (x^2 - y^2) and above the rectangle given by -3,0 \times 1,3 in the...
In this work the rapid quenching method was used for the preparation Fe//8//0// minus //xNi//xB//2//0 (x:0,5,10,20,40) ribbons about 10 mm wide and 10-30 mu m thick. The catalytic properties of the ribbons in the CO plus H//2 reaction we... L Guczi,G Kisfaludi,Z Sc...
Solve: 0.3(11x + 4) is greater than or equal to 2.1 - (x + 8). Solve: 4x + 2 greater than or equal to 6x - 1. What is the value of x in the equation 3x minus 4y equals 65, when y equals 4? If 12x - 8 equals 20, what does x equal? If 4x - 28 equals ...
Answer to: Find the minimum and maximum distances between the sphere x^2 + y^2 + z^2 = 49 and the point (6, 7, 9). By signing up, you'll get...
Answer to: Consider the following paraboloid: z + x^2 + y^2 = 6. Find the symmetric equations of the normal line at the point (1, 2, 1). By signing...
a) \int (x^{2}/(4x^{3} + 3)) dx b) \int x^{8}(x^{9} - 4)^{4} dx c) \int (7x^{6}/(6 + x^{7}))^{3} dx d) \int (x^{4} \sqrt{x^{5} Consider the function f(x) = {4 if set minus x less than 4 \ x if set...
Answer to: Evaluate the triple integral \int \int \int_{E} z \;dV where E lies between the spheres x^2 = y^2 + z^2 =1 and x^2 + y^2 + z^2 =...
Answer to: Find the derivative of the function f(x,y) = e^{xy} at the point (0,-2) in the direction in which the function increases most rapidly...
9 x 2 + 10 y 2 = 90 Find the eccentricity of the the following ellipse. Then find and graph the ellipse's foci and directrices. 16 x 2 + 25 y 2 = 400 Find an equation of the ellipse with vertices (0,\pm 8) and eccentricity e=\frac{1}{2}...