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Apr
24
awarded  Custodian
Apr
24
reviewed Leave Open Is it possible that two metric spaces are metrically isomorphic but not homeomorphic.
Apr
24
reviewed Approve Differential Equation $\frac{dy}{dx} =\frac{x}{(x^2y + y^3}$
Apr
12
reviewed Approve Bound on the infinite sum of logarithms
Apr
10
reviewed Approve Probability of having a disease and testing positive for it
Apr
10
reviewed Approve Find the area of the trapezoid $ABCD$
Apr
10
reviewed Reject Why this function describes a euclidean ball?
Apr
10
reviewed Reject A conical tent is $8$ $m$ high and the radius of its base is $6$ $m$.
Apr
10
reviewed Approve If $\alpha$ and $\beta$ are the zeros of the polynomial $p(s)=3s^2-6s+4$, find the value of
Apr
10
reviewed Approve Finding the weight of a solid cylinder.
Apr
10
reviewed Reject Is there a relationship between local prime gaps and cyclical graphs?
Apr
10
reviewed Approve A ship sails to an island . Find the average sailing speed for the whole journey.
Apr
10
awarded  Great Answer
Apr
9
reviewed Reject $\cos(2\pi f nT +2\pi N_n) =\ cos(2\pi f nT)$ and more, why?
Apr
8
awarded  Populist
Apr
8
awarded  Good Answer
Apr
8
reviewed Approve $P$ and $Q$ are two points on a circle of center $C$ and radius $a$, the angle $\widehat{PCQ}$ being $2\theta$, then the inradius of $PCQ$
Apr
8
awarded  Mortarboard
Apr
8
revised Does sum of the reciprocals of all the composite numbers converge?
added 14 characters in body
Apr
8
awarded  Nice Answer