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Questions Answered

Idealist:
Group Title
Write a program which will take the volume of the cube as its input. The program should calculate the area of a square whose side is half th…
 updated 29 days ago
 3 replies
 No Medals Yet
Mathematics

Idealist:
Group Title
Which of the following is an equation of the line tangent to the graph of f(x)=x^4/4x^3 at the point where f'(x)=1?
a) y=x+3.5954
…
 updated 2 months ago
 9 replies
 2 Medals
Mathematics

Idealist:
Group Title
If f(x)=2x+sinx and the function g is the inverse of f, then g'(2)=
 updated 2 months ago
 11 replies
 1 Medal
Mathematics

deprincessed:
Group Title
Help PlZ!~~~~~~~~
W/4 =8
 updated 2 months ago
 16 replies
 2 Medals
Mathematics

sameer76040:
Group Title
Find the slope of the line passing through the points (7,9) and (7,3)
 updated 2 months ago
 2 replies
 No Medals Yet
Mathematics

Idealist:
Group Title
The population P(t) of a species satisfies the logistic differential equation dP/dt=P(2P/5000), where the initial population P(0)=3000 and …
 updated 2 months ago
 7 replies
 1 Medal
Mathematics

HenrietePurina:
Group Title
Please Help! 7th grade Algebra. Fan + Medal!
 updated 2 months ago
 28 replies
 2 Medals
Mathematics

Idealist:
Group Title
Find the value of the series (2^n+1)/3^n.
 updated 2 months ago
 9 replies
 2 Medals
Mathematics

Idealist:
Group Title
v^(0.84)=0.0718, solve for v.
 updated 3 months ago
 6 replies
 2 Medals
Mathematics

vittopiriz:
Group Title
Solve for x: −4x + 5 = −16
…
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

vittopiriz:
Group Title
Solve for x: x + 2 + 16 = 14
 updated 3 months ago
 3 replies
 1 Medal
Mathematics

Idealist:
Group Title
If dy/dx=1/x, then the average rate of change of y with respect to x on the closed interval [1, 4] is
a) 1/4
…
 updated 3 months ago
 8 replies
 4 Medals
Mathematics

Idealist:
Group Title
If f(x)=sigma (sin^2 (x))^k from k=1 to infinity, then f(1) is?
 updated 3 months ago
 15 replies
 1 Medal
Mathematics

Idealist:
Group Title
Let F(x)=integral of sin(t^2) dt from 0 to x for 0<=x<=3. On what interval or intervals is F increasing? Justify your answer.
 updated 3 months ago
 11 replies
 1 Medal
Mathematics

Idealist:
Group Title
Using 8 equal subdivisions of the interval [2, 12], the LRAM approximation of the integral of f(x) dx from 2 to 12 is 16.6 and the trapezoid…
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

Idealist:
Group Title
Let F(x) be an antiderivative of sin^3 (x). If F(1)=0, find F(8).
 updated 3 months ago
 10 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the area enclosed by the curves y=x^38x^2+18x5 and y=x+5?
 updated 3 months ago
 4 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the sum of the series 1+ln(2)+(ln 2)^2/2!+...+(ln 2)^n/n!+...?
 updated 3 months ago
 6 replies
 2 Medals
Mathematics

Idealist:
Group Title
Find the integral of (1/x4x/(1+4x^2)) from 1 to infinity.
 updated 3 months ago
 9 replies
 3 Medals
Mathematics

kryptonite1218:
Group Title
What is the correct solution to the equation?
4(x – 3) = 16
…
 updated 3 months ago
 4 replies
 2 Medals
Mathematics

Idealist:
Group Title
Find the integral of 4x/(1+4x^2) dx from 1 to infinity.
 updated 3 months ago
 4 replies
 2 Medals
Mathematics

Idealist:
Group Title
If y=tan u, u=v1/v, and v=ln x, find the value of dy/dx at x=e.
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

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

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

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 3 months ago
 5 replies
 1 Medal
Mathematics

tbl:
Group Title
factor x squared  12x +35
A. (x+5)(x+7)
B. (x5)(x7)
…
 updated 3 months ago
 2 replies
 1 Medal
Mathematics

Idealist:
Group Title
Find the integral of (1/2)(4/(1+sin(theta)))^2 d*theta from 0 to pi.
 updated 3 months ago
 19 replies
 1 Medal
Mathematics

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 3 months ago
 1 reply
 No Medals Yet
Mathematics

Idealist:
Group Title
Find the area bounded by the curve and the xaxis for r=theta+sin(2*theta) for 0<=theta<=pi.
 updated 3 months ago
 8 replies
 No Medals Yet
Mathematics

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
Mathematics
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