Thefaceless
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 Questions Asked
 6
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 Questions Asked
 19
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Questions Asked

Thefaceless:
Group Title
Linear algebra problem. Please help!
Determine whether or not W is a subspace of R^n
 updated 4 months ago
 20 replies
 2 Medals
Mathematics

Thefaceless:
Group Title
Find a basis for the indicated subspace of R3:
A plane with the equation x2y+5z=0
 updated 4 months ago
 1 reply
 No Medals Yet
Mathematics

Thefaceless:
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Linear Algebra Problem.
Please Help!
 updated 4 months ago
 46 replies
 1 Medal
Mathematics

Thefaceless:
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Linear Algebra Problem.
Help Please!
 updated 4 months ago
 20 replies
 1 Medal
Mathematics

Thefaceless:
Group Title
Need help with an undetermined coefficient problem. Will fan if all steps are shown! Problem inside.
 updated 4 months ago
 24 replies
 2 Medals
Mathematics

Thefaceless:
Group Title
Need help please! y"2y'+y=2e^x3e^x
Solve second order differential. Thanks!
 updated 4 months ago
 7 replies
 No Medals Yet
Mathematics

Thefaceless:
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Circuits question. The problem are in the picture.
 updated 4 months ago
 3 replies
 1 Medal
Mathematics

Thefaceless:
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What is the behavior of a capacitor when initially being exposed to a current and then remaining exposed to it for a long time?
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

Thefaceless:
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Need help solving ordinary differential equation. Thanks!
 updated 5 months ago
 18 replies
 3 Medals
Mathematics

Thefaceless:
Group Title
A large tank contains 128 gallons of brine in which 10 pounds of salt is dissolved. Brine containing 5 pounds of dissolved salt per gallon r…
 updated 5 months ago
 32 replies
 4 Medals
Mathematics

Thefaceless:
Group Title
A large tank contains 128 gallons of brine in which 10 pounds of salt is dissolved. Brine containing 5 pounds of dissolved salt per gallon r…
 updated 5 months ago
 8 replies
 2 Medals
Mathematics

Thefaceless:
Group Title
Need help finding the general solution to a differential equation!
x(x+y)y'+y(3x+y)=0
 updated 6 months ago
 53 replies
 5 Medals
Mathematics

Thefaceless:
Group Title
Help please! Need help with Lagrange multipliers.
Calc 3.
…
 updated 8 months ago
 59 replies
 1 Medal
Mathematics

Thefaceless:
Group Title
A plastic sphere floats in water with 40.0% of its volume submerged. This same sphere floats in glycerin with 31.9% of its volume submerged.…
 updated one year ago
 No Medals Yet
Mathematics

Thefaceless:
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Hydrodynamics problem. Help please!
 updated one year ago
 41 replies
 1 Medal
Mathematics

Thefaceless:
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Need help understanding certain concepts in physics 1. Thanks!
 updated one year ago
 No Medals Yet
Mathematics

Thefaceless:
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An inventive child named Nick wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a rope that passe…
 updated one year ago
 No Medals Yet
Mathematics

Thefaceless:
Group Title
A science student is riding on a flatcar of a train traveling along a straight, horizontal track at a constant speed of 12.4 m/s. The studen…
 updated one year ago
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Mathematics

Thefaceless:
Group Title
Calculus 2 problem. Help please.
y=e^x, y=e^2x, x=ln2, x=0 …
 updated one year ago
 29 replies
 2 Medals
Mathematics

Thefaceless:
Group Title
y=e^x, y=e^2x, x=ln2, x=0
Find the area. Show steps please.
 updated one year ago
 No Medals Yet
Mathematics

Thefaceless:
Group Title
Find f '(x). f(x) =2x^2 ; a=1.
Has to be with f(x+h)f(x)/h formula.
Show steps please.
 updated one year ago
 42 replies
 2 Medals
Mathematics

Thefaceless:
Group Title
Sketch the graph of a function f for which f(0) = 1, f '(0)=0, f '(x) < 0 if x < 0, and f '(x) > 0 if x > 0
 updated one year ago
 19 replies
 1 Medal
Mathematics

Thefaceless:
Group Title
Given that the tangent line to the graph y=f(x) at the point (2,5) has the equation y=3x1, find f '(2). Show steps please.
 updated one year ago
 23 replies
 1 Medal
Mathematics

Thefaceless:
Group Title
16x^2+9y^2160x+12y400=0 need to graph
 updated 2 years ago
 10 replies
 No Medals Yet
Mathematics

Thefaceless:
Group Title
Correction to my original problem:
36x^3 + x^2  21x = 0
I had it set to 2nd degree at first.…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

Thefaceless:
Group Title
Solve quadratic equation by factoring:
36x^3 + X^2 21x = 0
 updated 2 years ago
 5 replies
 1 Medal
Mathematics