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Apr
29
answered Wedding Guest Problem
Apr
19
comment Determine who is the best seller
Your two plots seem to be mislabeled they have the wrong names on them. This is a decent statistics question, but why the probability tag?
Apr
15
comment Finding the radii of an ellipse from the intersection of a plane and a sphere
An ellipse is a conic section.
Apr
15
comment Finding the radii of an ellipse from the intersection of a plane and a sphere
A plane and sphere intercept in a circle. Pretty sure of this.
Apr
2
comment A simple geometry problem
I added the main 2 rules and illustrations for each.
Apr
1
awarded  Custodian
Apr
1
reviewed Looks OK How to solve $\lim_{x\to +\infty}\ ({\ln(e^x-1)}-{x})$
Apr
1
reviewed Reject Variant of Nakayama's lemma
Apr
1
revised A simple geometry problem
added 350 characters in body
Apr
1
comment A simple geometry problem
Can you add a note here or to question describing the background to this? Are you a parent, student, other? Where did problem come from?
Apr
1
revised A simple geometry problem
added 231 characters in body
Apr
1
answered A simple geometry problem
Mar
31
answered Compliment of a Set to Get Out of Jail in Monopoly
Mar
26
reviewed No Action Needed Prove the series $\sum_{n=1}^∞ (-1)^n(n)/(n+2)$ diverges
Mar
24
comment Estimate the volume of the shaded region
Length, width, breadth, depth, height. For real 3D objects, you simply need the 3 dimensions. Don't get hung up on the exact words you expect when a problem uses a different word, but the image is clear. I agree, the preferred word is height, but I could just as easily have called it dimension X so long as what I'm referencing is clear.
Mar
23
reviewed Looks OK Sobolev space of a function
Mar
23
reviewed Looks OK Find the Area of the Surface That Lies inside the Cylinder
Mar
21
revised What exactly goes raising a number to a fraction mean?
deleted 1 character in body
Mar
19
revised How to solve the following equation involving an exponential function
added 3 characters in body
Mar
19
comment Prove that $1+\dfrac12+\dfrac13+\cdots+\dfrac{1}{2^n} \ge 1+\dfrac{n}{2}$
For what it's worth, I did a double take and how he presented the series, but then I realized what he meant.