Sunday
April 20, 2014

Posts by elyse


Total # Posts: 40

Calculus--Steve plz?
Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2)) ...A special thank you to Steve who has already been a tremendous help! Thank you so much =)

Calculus-PLZ HELP STEVE!
Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4-s^2)

Calculus
Solve the differential equation by using Laplace transforms. Find the particular solution that satisfies them of: y''+2y'+y =4e^(-t)

Calculus
Find the inverse Laplace transform of: F(s)=3/(s-4)

Calculus-HELP!!!
Find the inverse Laplace transform of: F(s)=2/s^4

Calculus-HELP!!!
Find the Laplace transform of: f(t) = cos^(2)(2t)

Calculus-HELP!!!
Thank you!!

Calculus-HELP!!!
Find the Laplace transform of: f(t) = cos^(2)(2t)

Calculus-HELP PLZ !!!!
Thank you so much Steve! I had gotten this far but what about solving for the "complete" general solution? That's where I get lost....

Calculus-HELP PLZ !!!!
Find the complete general solution to the 2nd ODE: 9y'' + 9y' - 4y = 0

Calculus-HELP!!!
Find the complete general solution and a particular solution that satisfies the initial conditions: 2y'' + y' - 4y = 0 y(0)=0, y'(0)=1

Calculus-HELP PLZ !!!!
Find the complete general solution to the second order DE: 4y'' - 9y = 0

STEVE or REINY-plz help!
Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1) Thank you in advance for your help! =)

Calculus
Find a general solution to each first ¨C degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. dx/dt=¡Ì(x+t+1)

Calculus-HELP!!!!
Show that the function y=c_1 e^x cos(x)+ c_2 e^x sin(x) satisfies the differential equation y''-2y'+2y=0 for any values of c1 and c2, then find the values for those constants that solve the initial value problem y(0)= 1, y'(0)= -1

Calculus
Consider the vector field: F(x,y)=2xyi+x^(2)j Integrate F over a path starting at (0,0) and ending at (2,2).

Calculus
Let f(x,y)=sqrt(1-x^2) and R be the triangular region with corners (0,0), (1,0), and (1,1). Evaluate the double integral(R) f(x,y)dA.

Calculus
Use Green's theorem to evaluate the integral: y^(2)dx+xy dy where C is the boundary of the region lying between the graphs of y=0, y=sqrt(x), and x=9

Calculus
Use Green's theorem to evaluate the integral: y^(2)dx+xy dy where C is the boundary of the region lying between the graphs of y=0, y=sqrt(x), and x=9

Calculus
Use Green's theorem to evaluate the integral: y^(2)dx+xy dy where C is the boundary of the region lying between the graphs of y=0, y=sqrt(x), and x=9

Calculus
Find the equation of the tangent plane and symmetric equation for the normal line to the given surface at P: xy^2 + zy^2 + 4y -xz^2 = 18 P(-2,0,3)

Calculus
Find all first partial derivatives: f(x,y)=e^(xy)cosx

Calculus
describe the surface and give traces : x = y^2 - 4z^2

Calculus
Three forces with magnitudes 75 pound, 100 lb, and 125 pound act on an object at angles of 30 degrees, -45 degrees, and 120 degrees respectively. Find the direction and magnitude of the resultant vector.

Calculus
Convert the curve to an equation in rectangular coordinates: x=sin theta + 1 y=2cos theta - 1

Parametric Equations
Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4

English
How do you write the compound predicate of: People studied coins, saw jewels, or examined ancient tools.?

physics
1600

PHYSICS!?!@@!
A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 Nm acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? ...

PHYSICS help!!!!! =)
An object is rotating with an angular momentum 4.00 kg m2/s while being acted on by a constant torque 3.00 Nm. What is the angular speed of precession of the angular velocity of the object? A.1.33 rad/s. B.0.750 rad/s. C.12.0 rad/s. D.zero. E.It depends on the moment of inerti...

Physics HELP!!
What is the vector product of (4, -3, -5) and (5, -4, 2)? A. (-26, -33, -1) B. 22 C.(20, +12, -10) D.(9, -7, -3) E.(14, -17, -1)

physics
a. t=sqrt(2h/g)=1.27s(2)= 2.54 s b. the amount of time the person is above the height of 13.0 ft is more than the amount of time that person is below the height of 13.0 ft c. x=vt+1/2at^2=0.933 s 1.27 s-0.933 s=0.371 s in the lower half

physics
a. t=sqrt(2h/g)=1.27s(2)= 2.54 s b. the amount of time the person is above the height of 13.0 ft is more than the amount of time that person is below the height of 13.0 ft c. x=vt+1/2at^2=0.933 s 1.27 s-0.933 s=0.371 s in the lower half

Statistics
. [16 points] A coach uses a nw technique to train gymnasts. 7 gymnasts were randomly selected and their competition scores were recorded before and after the training. The results are shown below. Before After 9.7 9.9 9.4 9.7 9.6 9.2 9.6 9.4 9.6 9.7 9.7 10.0 9.4 9.2 Using a 0...

Chemistry
2.979 X 10^9

Current Events
Which do you feel in your personal opinion is/was more dangerous--the Avian Flu, SARS, or the Swine Flu? Thanks for your explanation?

Latin
Is this the correct declension of mea gloria? I'm not sure because it looks like there's too many vowels. If not, could you show me where I went wrong? Thanks for your explanations. mea gloria meae gloriae meae gloriae meam gloriam mea(macron) gloria(macron) Meae glori...

math
hi

Language/Communication
Which of these statement is true? 1. Language is learned only when it is taught. 2. Language cannot be taught. 3. Maturation alone accounts for the development of language. 4. Most children are born with a potential for language. Wouldn't statement 1 be True? 1 is nonsense...

Communication/Speech
Articulation errors: A. cannot be fixed B. should be constantly corrected C. are frequently outgrown D. occur as children try to imitate new sounds. Would the best answer be: (D) occur as childrentry to imitate new sounds? D is probably the best answer; C is a good answer, too...

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