Wislar
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Questions Asked

Wislar:
Determine the interior, the boundary and the closure of the set {z ε: Re(z^2>1}
Is the interior of the set pathconnected?
 updated 2 months ago
 5 replies
 1 Medal
Mathematics

Wislar:
Describe the closure of pi<arg(z)<pi (z\=0) with formulas.
…
 updated 2 months ago
 3 replies
 2 Medals
Mathematics

Wislar:
Sketch the following regions and state the interior and the closure:
a) z2+i≤1
b) Im(z)>1
 updated 2 months ago
 7 replies
 1 Medal
Mathematics

Wislar:
Consider the reaction: P4 (s) + 5O2 (g) = P4O10 (s)
How many grams of phosphorus react with 59.17 L of oxygen (O2) at STP (standard temp…
 updated 5 months ago
 No Medals Yet
Mathematics

Wislar:
Please help!
A sample of sodium azide (NaN3), a compound used in automobile air bags, was thermally decomposed and,
…
 updated 5 months ago
 No Medals Yet
Mathematics

Wislar:
A tank measures 13.54 in × 13.69 in × 7.27 in, when full, the tank holds 22.08 L which is the same as 5.83 gallons.
If the tank is full o…
 updated 7 months ago
 No Medals Yet
Mathematics

Wislar:
Bowl B1 contains two white chips,bowl B2 contains two red chips, bowl B3 contains two white chips and two red chips, and bowl B4 contains th…
 updated 7 months ago
 No Medals Yet
Mathematics

Wislar:
Please help!
Bowl A contains 3 red and 2 white chips, Bowl B contains 4 red and 3 white chips. A chip is drawn at random from bowl A and tra…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

Wislar:
What is the prob of drawing 2 hearts from a deck of 52 cards??
 updated 7 months ago
 4 replies
 1 Medal
Mathematics

Wislar:
Determine the conversion factor for a conversion of m/s2 to km/h2?
1 kg = 2.205 lb, 1 in. = 2.54 cm, 12 in. = 1 ft
…
 updated 7 months ago
 9 replies
 No Medals Yet
Mathematics

Wislar:
Evaluate the flux integral directly with the boundary being the unit cub in the first octant of R3 with F(x,y,z)=xi+yi+zk
 updated 11 months ago
 No Medals Yet
Mathematics

Wislar:
One solution to the differential equation: \[y''2\tan(x) \ y' y=0 \ is \ y=\frac{ 1 }{ \cos x }\] Find another solution of the equation su…
 updated 11 months ago
 11 replies
 2 Medals
Mathematics

Wislar:
Check whether solutions of the following ivp exist:
\[y''+e ^{x}y=x ^{2}\]  y(0)=1, y'(0)=0
 updated 11 months ago
 15 replies
 No Medals Yet
Mathematics

Wislar:
Find: The real part: \[\Re[(4+i)e ^{(1+i)x}]\]
 updated one year ago
 22 replies
 2 Medals
Mathematics

Wislar:
Please help! Consider the equation: y''2xy'2y=0. One solution is y1(x)=e^(x^2). Find a second solution to the equation.
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Wislar:
I just need to know the bounds of integration for this:
Seawater has density 1025 kg/m and flows in a velocity field v=yi+xj. Find the rate…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Wislar:
Solve the surface integral: \[\int\limits_{}^{}\int\limits_{S}^{}xz \ dS\] S is the part of the plane 2x+2y+z=4 that lies in the first octan…
 updated one year ago
 24 replies
 2 Medals
Mathematics

Wislar:
Complex functions help please! Picture attached Please please help
 updated one year ago
 11 replies
 1 Medal
Mathematics

Wislar:
Derivative of x^3 +i(x^5) ?
 updated one year ago
 2 replies
 1 Medal
Mathematics

Wislar:
Find the interval of existence of:
y''+(sinx)y'+xy=e^x, y(0)=1
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

Wislar:
Find all solutions of y''+(2/x)y'=1 ; x>0
 updated one year ago
 10 replies
 1 Medal
Mathematics

Wislar:
\[y'+(e ^{x}\tan x)y=\frac{ 1 }{ 1x ^{2} }; \ \ y(0)=0\]
Check existence and uniqueness of solutions of the following initial value prob…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Wislar:
If a circle C with radius 1 rolls along the outside of the circle x^2+y^2=16, a fixed point P on C traces out a curve called an epicycloid, …
 updated one year ago
 17 replies
 2 Medals
Mathematics

Wislar:
Find all solutions in implicit form of the following ODE in symmetric form: \[x \ dy +y \ dx+ x ^{2}y ^{5} \ dy=0\]
 updated one year ago
 8 replies
 1 Medal
Mathematics

Wislar:
Please help
\[y'=\frac{2xy^2+x^3}{x^2y}\] Find all solutions and indicate the interval of convergence
 updated one year ago
 3 replies
 1 Medal
Mathematics

Wislar:
delete.
 updated one year ago
 1 reply
 1 Medal
Mathematics

Wislar:
Please Check!
Line integral: \[\int\limits_{C}^{}x ^{2}dx+y ^{2}dy\] of the line segment from (0,2) to (4,3)
 updated one year ago
 37 replies
 1 Medal
Mathematics

Wislar:
Evaluate the line integral:
Int(x^2 dx +y^2 dy) \[\int\limits_{C}^{}x ^{2}dx+y ^{2}dy\]
C consists of the arc of the circle x^2+y^2=4 from (…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Wislar:
Quick Question about this question!
A thin wire has the shape of the firstquadrant part of the circle with center the origin and radius a.…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Wislar:
How do I draw a vector field by hand? F(x,y,z)=y k
 updated one year ago
 12 replies
 2 Medals
Mathematics
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