Questions Answered

Idealist:
Group Title
The position of a particle at any time t>=0 is given by x(t)=t^22, y(t)=(2/5)t^3. Find the magnitude of the velocity vector at t=4.
 updated 3 months ago
 10 replies
 2 Medals

Idealist:
Group Title
For what values of t does the curve given by the parametric equations x=t^3t^21 and y=t^4+2t^28t have a vertical tangent?
 updated 3 months ago
 7 replies
 1 Medal

Idealist:
Group Title
How to simplify the (integral from 3cos^2 (theta) d*theta from 0 to pi) to (3*integral of cos^2 (theta) d*theta from 0 to pi/2)?
 updated 3 months ago
 2 replies
 2 Medals

Idealist:
Group Title
The path of a particle moving in the plane is defined parametrically as a function of time t by x=sin(2t) and y=cos(5t). Find the speed of t…
 updated 3 months ago
 5 replies
 1 Medal

Idealist:
Group Title
Use the first three terms of the series f(x)=((x^n)(n^n))/n! from n=1 to infinity to approximate f(1/3).
 updated 3 months ago
 4 replies
 1 Medal

Idealist:
Group Title
Please simplify this: (n+1)^n/(n^n)
 updated 3 months ago
 11 replies
 1 Medal

Idealist:
Group Title
Please simplify this: n!/(n+1)!
 updated 3 months ago
 19 replies
 4 Medals

Idealist:
Group Title
Find the integral of 1/((x+1)(x^2+1)) dx.
 updated 3 months ago
 11 replies
 2 Medals

Idealist:
Group Title
Find the integral of (2x1)/(x1)^2 dx.
 updated 3 months ago
 16 replies
 1 Medal

Idealist:
Group Title
Find the integral of (x+4)/((x1)(x+6)) dx. (Just write the answer)
 updated 3 months ago
 1 reply
 No Medals Yet

Idealist:
Group Title
Find the interval of convergence of the series (n(2x5)^n)/(n+2) from n=0 to infinity?
 updated 3 months ago
 8 replies
 1 Medal

Idealist:
Group Title
Find the sum of the series pi^n/e^(2n) from n=0 to infinity.
 updated 3 months ago
 3 replies
 2 Medals

Idealist:
Group Title
Find tan^1 infinity/4.
 updated 3 months ago
 7 replies
 1 Medal

Idealist:
Group Title
Find the integral of dx/x^(1.01) from 1 to infinity.
 updated 4 months ago
 8 replies
 2 Medals

Idealist:
Group Title
Find the integral of dx/x^0.5 from 0 to 1.
 updated 4 months ago
 7 replies
 1 Medal

Idealist:
Group Title
Take the integral of sqrt(64x^2) dx.
 updated 4 months ago
 13 replies
 1 Medal

Idealist:
Group Title
Find the average value of y=sqrt(64x^2) on its domain.
 updated 4 months ago
 7 replies
 2 Medals

Idealist:
Group Title
Find the maximum value of the function f(x)=xe^x.
 updated 4 months ago
 5 replies
 1 Medal

Idealist:
Group Title
Solve the equation for W: ln abs(W300)=(1/25)t+ln(1100).
 updated 4 months ago
 3 replies
 2 Medals

Idealist:
Group Title
Find the area of the region in the first quadrant, bounded below by the xaxis and above by the curves of y=sin x and y=cos x.
 updated 4 months ago
 14 replies
 1 Medal

Idealist:
Group Title
Find the integral of 4/(x^2+4) dx.
 updated 4 months ago
 3 replies
 2 Medals

Idealist:
Group Title
Find the area of the region bounded by the curve of x=y^21 and the yaxis.
 updated 4 months ago
 23 replies
 No Medals Yet

sione123:
Group Title
Which percent is equivalent to ?
A.
…
 updated 4 months ago
 7 replies
 1 Medal

sione123:
Group Title
Which percent is equal to the given fraction?
…
 updated 4 months ago
 4 replies
 2 Medals

sione123:
Group Title
Convert the percent to a decimal.
12.5%
…
 updated 4 months ago
 3 replies
 1 Medal

sione123:
Group Title
Convert the decimal to a percent.
0.007
…
 updated 4 months ago
 1 reply
 No Medals Yet

Idealist:
Group Title
Find the integral of (tan(theta)1)^2 d*theta.
 updated 4 months ago
 2 replies
 No Medals Yet

meimisaki:
Group Title
how do you graph: y=5
 updated 4 months ago
 5 replies
 3 Medals

Idealist:
Group Title
Find the integral of x^2/(x^21) dx.
 updated 4 months ago
 3 replies
 2 Medals

Idealist:
Group Title
Find the integral of x/(sqrt(1x^2)) dx.
 updated 4 months ago
 4 replies
 1 Medal
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