Write a fraction to represent the probability of rolling a two.
2 answers:
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Answer:
Step-by-step explanation:
These are geometric means problems. In the top one, a is the geometric mean as the height for both the smaller triangles inside the big one. Therefore,
The next one has the geometric mean of b, being a part of the smaller triangle on the left and the big triangle as a whole:
To solve this problem, we will use the formula for permutation. A permutation is where the order of the things in the set matter.
Solution:
₁₂P₅ =
= 12 x 11 x 10 x 9 x 8 = 96,040 different ways that can be made.
Solution:
₁₂P₅ =