Saturday

February 25, 2017
Total # Posts: 39

**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 =)

*July 29, 2013*

**Calculus-PLZ HELP STEVE!**

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

*July 28, 2013*

**Calculus**

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

*July 27, 2013*

**Calculus**

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

*July 27, 2013*

**Calculus-HELP!!!**

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

*July 26, 2013*

**Calculus-HELP!!!**

Find the Laplace transform of: f(t) = cos^(2)(2t)

*July 25, 2013*

**Calculus-HELP!!!**

Thank you!!

*July 25, 2013*

**Calculus-HELP!!!**

Find the Laplace transform of: f(t) = cos^(2)(2t)

*July 25, 2013*

**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....

*July 22, 2013*

**Calculus-HELP PLZ !!!!**

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

*July 22, 2013*

**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

*July 20, 2013*

**Calculus-HELP PLZ !!!!**

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

*July 18, 2013*

**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! =)

*July 8, 2013*

**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)

*July 6, 2013*

**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

*July 2, 2013*

**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).

*June 12, 2013*

**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.

*June 12, 2013*

**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

*June 6, 2013*

**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

*June 6, 2013*

**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

*June 5, 2013*

**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)

*June 2, 2013*

**Calculus**

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

*May 31, 2013*

**Calculus**

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

*May 15, 2013*

**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.

*May 15, 2013*

**Calculus**

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

*April 16, 2013*

**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

*April 14, 2013*

**English**

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

*December 17, 2012*

**physics**

1600

*December 17, 2012*

**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? ...

*November 13, 2012*

**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 ...

*November 13, 2012*

**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)

*November 13, 2012*

**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

*September 10, 2012*

**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...

*April 25, 2010*

**Chemistry**

2.979 X 10^9

*October 20, 2009*

**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?

*April 27, 2009*

**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 ...

*April 26, 2009*

**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...

*July 30, 2007*

**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...

*July 27, 2007*

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