Wislar
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Questions Answered

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:
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:
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

peggiepenguin:
Suppose f(x) is continuous on [a; b] and is revolved about the xaxis. The surface area of the
resulting gure is given by
…
 updated one year ago
 5 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

JonN:
Find the derivative of f(x)=(x^3)(2x^2+1) using the product rule
…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

MandyMicheala:
Simplify the square root of 864.
 updated one year ago
 4 replies
 1 Medal
Mathematics

Murbly:
Differentiate with respect to t.
y = d cos t + t2 sin t
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

danaijah:
i need help with the himinsgram 6th grade math
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

JazminZamarripa:
Help Please? Solving a Logarithmic Equation.....
log2x=1
 updated one year ago
 25 replies
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Mathematics

lionely:
the distance of a particle from a fixed point O is given by s= 3cos2t + 4sin2t
show that the velocity v and the acceleration a
are given…
 updated one year ago
 19 replies
 No Medals Yet
Mathematics

BM22:
Need help with implicit differentiation!
xy^2+yx^2=6
 updated one year ago
 70 replies
 No Medals Yet
Mathematics

azee53:
How do I calculate arc length? Imagine a slice of pizza, I need to calculate the area of the slice, the interior angle, and the arc length o…
 updated one year ago
 51 replies
 1 Medal
Mathematics

smartin10:
Find an equation of the circle having (2,5)and (2,1) as its endpoint of the diameter
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

zaynahf:
How can you tell if something is a onetoone function?
 updated one year ago
 13 replies
 2 Medals
Mathematics

spareb665:
When was the Murder Committed? The police discover the body of a murder victim. Critical to solving the crime is determining when the murder…
 updated one year ago
 24 replies
 No Medals Yet
Mathematics

danya1:
can u guys help me @Hero @help123please. @hayley3394 @Wislar @whitneynicole71 @Spacelimbus @Spacelimbus @Spacelimbus @selenamalter @Directri…
 updated one year ago
 27 replies
 No Medals Yet
Mathematics

katlin95:
Find the value of w if mAC = 84°.
…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

katlin95:
find the mGEF
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics
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