Combinatorics problem

Can You please help with this problem:A gate code requires a four-digit code for entry. Still, for security reasons, it always randomly assigns the digits to key positions (10 keys) so that all... more

Line P has a slope of 8 and y-intercept (0,5)

In the coordinate plane line p has slope 8 and y-intercept (0,5). Line r is the result of dilating line p by a factor of 3 with center (0,3). What is the slope and y-intercept.   Step by Step... more

Polyhedron and Euclidean space

If a point P in the interior of a convex polyhedron in Euclidean space is called a pivot point of the polyhedron if every line through P contains exactly 0 or 2 vertices of the polyhedron. What is... more

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