Questions Answered

Idealist:
Group Title
If y=tan u, u=v1/v, and v=ln x, find the value of dy/dx at x=e.
 updated 8 months ago
 6 replies
 1 Medal

lillers4126:
Group Title
What is the solution for:
y=x+3
y=2x
 updated 8 months ago
 3 replies
 No Medals Yet

Dark*Chaos:
Group Title
x11 < 3
 updated 8 months ago
 9 replies
 2 Medals

NERD85176:
Group Title
19 + x = 37
I think I would take 19 and subtract it from both sides, getting x=18
Am I right?
 updated 8 months ago
 5 replies
 1 Medal

tbl:
Group Title
factor x squared  12x +35
A. (x+5)(x+7)
B. (x5)(x7)
…
 updated 8 months ago
 2 replies
 1 Medal

Idealist:
Group Title
Find the integral of (1/2)(4/(1+sin(theta)))^2 d*theta from 0 to pi.
 updated 8 months ago
 19 replies
 1 Medal

Idealist:
Group Title
A particle moves along the graph of y=cos x so that its xcomponent of acceleration is always 2. At time t=0, the particle is at the point (…
 updated 8 months ago
 1 reply
 No Medals Yet

Idealist:
Group Title
Find the area bounded by the curve and the xaxis for r=theta+sin(2*theta) for 0<=theta<=pi.
 updated 8 months ago
 8 replies
 No Medals Yet

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 8 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 8 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 8 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 8 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 8 months ago
 4 replies
 1 Medal

Idealist:
Group Title
Please simplify this: (n+1)^n/(n^n)
 updated 8 months ago
 11 replies
 1 Medal

Idealist:
Group Title
Please simplify this: n!/(n+1)!
 updated 8 months ago
 19 replies
 4 Medals

Idealist:
Group Title
Find the integral of 1/((x+1)(x^2+1)) dx.
 updated 8 months ago
 11 replies
 2 Medals

Idealist:
Group Title
Find the integral of (2x1)/(x1)^2 dx.
 updated 8 months ago
 16 replies
 1 Medal

Idealist:
Group Title
Find the integral of (x+4)/((x1)(x+6)) dx. (Just write the answer)
 updated 8 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 8 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 8 months ago
 3 replies
 2 Medals

Idealist:
Group Title
Find tan^1 infinity/4.
 updated 8 months ago
 7 replies
 1 Medal

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

Idealist:
Group Title
Find the integral of dx/x^0.5 from 0 to 1.
 updated 8 months ago
 7 replies
 1 Medal

Idealist:
Group Title
Take the integral of sqrt(64x^2) dx.
 updated 9 months ago
 13 replies
 1 Medal

Idealist:
Group Title
Find the average value of y=sqrt(64x^2) on its domain.
 updated 9 months ago
 7 replies
 2 Medals

Idealist:
Group Title
Find the maximum value of the function f(x)=xe^x.
 updated 9 months ago
 5 replies
 1 Medal

Idealist:
Group Title
Solve the equation for W: ln abs(W300)=(1/25)t+ln(1100).
 updated 9 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 9 months ago
 14 replies
 1 Medal

Idealist:
Group Title
Find the integral of 4/(x^2+4) dx.
 updated 9 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 9 months ago
 23 replies
 No Medals Yet
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