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MathsAreFun
Nombre de usuario
MathsAreFun
Puntuación
41
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Preguntas
3
Respuestas
12
5 Questions
12 Answers
0
650
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+41
Please help...Thank you.
In how many ways can we place anywhere from to indistinguishable checkers on a checkerboard (no more than one checker per square), such that no row or column contains exactly checker?
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MathsAreFun
13 abr 2020
0
448
0
+41
Counting please help
How many subsets of have the property that there are at least two elements and the sum of the two largest elements is 13?
MathsAreFun
13 abr 2020
-2
648
1
+41
Probability With Sets
Let . Three subsets of are chosen at random.
(a) Find the probability that
(b) Find the probability that .
Thank you!
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MathsAreFun
1 abr 2020
-1
581
8
+41
Geometry/Probability Problem
In triangle , we have , , and .
Let be a point chosen uniformly at random inside . Extend ray to hit side at . What is the probability that ?
Thank you!!!
lee mas ..
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MathsAreFun
1 abr 2020
-3
949
13
+41
i would like to understand how to solve, so that I can solve other problems on my own.
A regular dodecagon P_1, P_2, P_3, ... P_12 is inscribed in a circle with radius 1. Compute
(P_1 P_2)^2 + (P_1 P_3)^2 + ... + (P_11 P_12)^2. (The sum includes all terms of the form (P_i P_j)^2, where 1≤ i <
lee mas ..
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MathsAreFun
30 mar 2020
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