snaef999
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 46

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 19
 Medals Received
 11

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 0
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 1

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 1

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 20
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 93
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0 
Questions Asked

snaef999:
Group Title
Need help with doulble integral
∫ ∫ (2x y) dA D is bounded by the circle with center at origin and radius 2
 updated 2 years ago
 15 replies
 2 Medals
Mathematics

snaef999:
Group Title
I need help setting up my limits of integration for the double integral:
∫ ∫ y^3 where D is bound by the triangle with vertices at 0,2 …
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

snaef999:
Group Title
For the vector function r(t) = < cos t, sin t, ln(cos t)>
a) Find T(t) at the point (1,0,0) and explain what this tells you about the mo…
 updated 2 years ago
 23 replies
 1 Medal
Mathematics

snaef999:
Group Title
A particle starts at the origin and initial verlocity is i  j + 3k. Its acceleration is a(t) = 6t i + 12t^2 j + 6t k. Find its position f…
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

snaef999:
Group Title
The temperature at a point (x,y) is T(x,y), measured in degrees C. A bug crawls so that its position after t seconds is given by x = sqrt(1…
 updated 2 years ago
 18 replies
 1 Medal
Mathematics

snaef999:
Group Title
Convert theta = 3pi/4 to cartesian form
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

snaef999:
Group Title
Find equation of plane that contains yaxis makes an angle of pi/6 with the positive xaxis
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

snaef999:
Group Title
find an equation of the plane with xintercept (a,0,0), yintercept (0,b,0), zintercept (0,0,c) where a,b,c are positive real numbers.
…
 updated 2 years ago
 20 replies
 1 Medal
Mathematics

snaef999:
Group Title
I need to convert r = 1/ (2  cos(theta)) into a cartesian function. Can anybody help?
 updated 2 years ago
 No Medals Yet
Mathematics

snaef999:
Group Title
I am asked to prove that the cross product of two vectors is orthogonal to both vectors. Does that just mean that the cross product is not …
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

snaef999:
Group Title
Eliminate t from the following parametric equations to find there equivalent Cartesian forms
x=2t cos(t), y=3t sin(t), z = t
…
 updated 2 years ago
 8 replies
 No Medals Yet
Mathematics

snaef999:
Group Title
Algebra black magic...confused. Wolfram uses the following to help solve a problem and I am just missing the bit of algebra that lets this…
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

snaef999:
Group Title
Need help integrating arctan(x)^1/2 Need help integrating arctan(x)^1/2 @Mathematics
 updated 3 years ago
 3 replies
 1 Medal
Mathematics

snaef999:
Group Title
Find the length of the loop of the given curve.
x = 3t  t^3
y = 3t^22…
 updated 3 years ago
 5 replies
 1 Medal
Mathematics

snaef999:
Group Title
Joe has a rectangular garden with a length of 30 and a height of 20. Calculate the area of Joe's garden without using the formula A = l * …
 updated 3 years ago
 6 replies
 1 Medal
Mathematics

snaef999:
Group Title
Help with integration problem. Need to integrate 1 / ( 1 + x^(3/2)) dx Is there a way to do this without using partial fractions?
 updated 3 years ago
 25 replies
 No Medals Yet
Mathematics

snaef999:
Group Title
Integrate 1 / (1 + x^3/2)
cant use partial fractions. Can somebody show the steps?
 updated 3 years ago
 3 replies
 No Medals Yet
Mathematics

snaef999:
Group Title
im missing a bit of algeba here. . .
integrate 3 / (2sqrt x) if i use u = sqrt x then du is …
 updated 3 years ago
 13 replies
 1 Medal
Mathematics

snaef999:
Group Title
integrate 1 / sqrt(25  16x^2) dx
My answer was arcsin(4x/5) + c …
 updated 3 years ago
 7 replies
 1 Medal
Mathematics

snaef999:
Group Title
dy/dx arcsin(1/x) my answer was
1 / x^2 sqrt(1  1/x^2) wolfram says this is correct, but my book shows answer as …
 updated 3 years ago
 11 replies
 3 Medals
Mathematics