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Questions Answered

lizzie890:
Group Title
Find the exact value of sin^1 (sin 2pi/3) . Answer in radians in terms of pi
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

Deltaz:
Group Title
Differential equation solution : 2xy'y=x+1
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

henpen:
Group Title
What's wrong with this infinite square well?
 updated 2 years ago
 12 replies
 1 Medal
Mathematics

modphysnoob:
Group Title
I am doing practice problem and have no solution to check my work. so I would post my work and please tell me whether or not
it is correct
 updated 2 years ago
 22 replies
 1 Medal
Mathematics

schmidtdancer:
Group Title
Some people believe in the force (yes, like in Star Wars). To test if young Anakin Skywalker has the force with him, he is told that some ca…
 updated 2 years ago
 52 replies
 5 Medals
Mathematics

Jonask:
Group Title
one way street
…
 updated 2 years ago
 15 replies
 1 Medal
Mathematics

jacobian:
Group Title
show that for any metric space X ,the set X\{x } is open in X.
…
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

kwaldman:
Group Title
Limit Question:
Okay, so using the DEFINITION of a limit prove x^22x1=2.
…
 updated 2 years ago
 29 replies
 3 Medals
Mathematics

sparkles19:
Group Title
true or false? Will give medal and fan!((:
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

cc4019:
Group Title
The astronomical object known as Crab Nebula is thhe remnant of an exploded star. The explosion was seen by the Chinese in 1054 C.E. However…
 updated 2 years ago
 19 replies
 1 Medal
Mathematics

mikaa_toxica13:
Group Title
dear mods who suspended me
 updated 2 years ago
 12 replies
 5 Medals
Mathematics

Cutiepo0:
Group Title
What is the shortest air column, closed at one end, that will resonate at a frequency of 440 Hz when the speed of sound is 344 m/s?
I tr…
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

Fosterthepeople:
Group Title
HElp help
 updated 2 years ago
 12 replies
 2 Medals
Mathematics

Fosterthepeople:
Group Title
Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation…
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

jacobian:
Group Title
show that if X and Y are matric space with metrics dX and dy respectively,then
 updated 2 years ago
 5 replies
 2 Medals
Mathematics

hadiya_babar:
Group Title
From the top floor of a very high building, a kid drops a ball. Estimate the magnitude of the acceleration of the ball right after its colli…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

idksucks:
Group Title
.
 updated 2 years ago
 23 replies
 No Medals Yet
Mathematics

omario_4561:
Group Title
Name a pair of complementary angles. (1 point)
angle sign1 and angle sign4
…
 updated 2 years ago
 22 replies
 2 Medals
Mathematics

Yahoo!:
Group Title
\[Z+ \frac{ 9 }{ Z } = 6\] ,Then find the Greatest value of Z ?
 updated 2 years ago
 26 replies
 4 Medals
Mathematics

bmelyk:
Group Title
Find the following indefinite integral.
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

dareon:
Group Title
sound without pleasing quality, identifiable pitch, and repeating patterns is called?
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

lacypennelll:
Group Title
Excuse me mods, but can you please ban this cuss?
 updated 2 years ago
 42 replies
 7 Medals
Mathematics

ranstucker:
Group Title
simplify e^(3ln1/2)
 updated 2 years ago
 14 replies
 No Medals Yet
Mathematics

JamesJ:
Group Title
The universe is sending us a valentineAsteroid 2012 DA14flies by February 15 as close as 28,000 kms.
Fun facts:
…
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

walters:
Group Title
Find all the metric on set M consisting of two points.
 updated 2 years ago
 37 replies
 3 Medals
Mathematics

JenniferSmart1:
Group Title
\[sin^{1}(sin\frac{9\pi}8)\]
I thought the limits were
\[\frac{\pi}2 \le \theta \le \frac{\pi}2\]
…
 updated 2 years ago
 27 replies
 1 Medal
Mathematics

Viviana!:
Group Title
Solve the equation. –10 = 2k – 8
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

Viviana!:
Group Title
Solve the equation. –10 = 2k – 8
please help Im a mom helping my child
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

Cryxz:
Group Title
Solve for X. Check for extraneous answers.
sqrt{x + sqrt{2x}}=2
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

azolotor:
Group Title
Do both black body radiation and the photoelectric effect support the particle model of light?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics
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