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Feb
10
reviewed Reject How many words can be formed, each of $2$ vowels and $3$ consonants from letters of the word “DAUGHTER”.
Feb
10
reviewed Reviewed Finding change in revenue with respect to price
Feb
10
reviewed Reviewed Can sum of rationals be irrational?
Feb
10
comment Can sum of rationals be irrational?
Sum of finitely many rationals is rational.
Feb
10
reviewed No Action Needed Piecewise linear function given three points and two crossover boundaries
Feb
10
reviewed Approve Probability - coin flip with known tails count and probability of heads is known.
Jan
3
reviewed No Action Needed Octahedron and System of trigonometric equations
Jan
3
reviewed Looks OK Show that if $A$ is closed in $X$ and $B$ is closed in $Y$, then $A\times B$ is closed in $X\times Y$.
Dec
26
reviewed Looks OK Does it make sense to think of a non-constant solution to $\frac{dx}{dt}=0$ (A steady state solution)?
Dec
26
reviewed Reject Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
Dec
26
revised A problem on circle
added 37 characters in body
Dec
20
reviewed Approve why $ 1 - \cos^2x = \sin^2x $?
Dec
20
reviewed Approve Number of solutions to $|ax - bx| = a \;\text{or}\; b$?
Dec
20
comment Find the slope of the tangent to the curve for $y=3+4x^2-2x^3$
@Anobody, glad I could be of some help.
Dec
20
revised Find the slope of the tangent to the curve for $y=3+4x^2-2x^3$
added 92 characters in body
Dec
20
revised Find the slope of the tangent to the curve for $y=3+4x^2-2x^3$
added 3 characters in body
Dec
20
answered Find the slope of the tangent to the curve for $y=3+4x^2-2x^3$
Dec
18
reviewed Reviewed Initial Conditions Solutions
Dec
18
reviewed No Action Needed Cut off function in N-dimension
Dec
18
revised Tiling of a $9\times 7$ rectangle
added 6 characters in body; edited title