Mathematics, 23.06.2020 15:01 autumnhuls5720
Two players X and Y take alternate turns in a game, starting with the diagram alongside.
At each turn, one player writes one of 1, 2 or 3 in an empty circle, so that no two circles connected by an edge contain the same number.
A player loses when they cannot go. In each of the five diagrams below it is Y’s turn.
In which of the diagrams can Y’s move ensure that X loses the game?
Answers: 3
Mathematics, 21.06.2019 23:30
Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
Answers: 1
Mathematics, 22.06.2019 05:30
Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 2
Two players X and Y take alternate turns in a game, starting with the diagram alongside.
At each tu...
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