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To find the number of ways to roll a total of 18 with 5 dice, we can use the generating functions or combinatorial counting techniques. Each die can roll a number from 1 to 6, and we need to solve the equation ( x_1 + x_2 + x_3 + x_4 + x_5 = 18 ) where ( 1 \leq x_i \leq 6 ). By transforming the variables (e.g., letting ( y_i = x_i - 1 )), the problem can be approached using stars and bars or dynamic programming methods. The total number of combinations that yield 18 is 170.

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4d ago

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Q: How many ways can you roll number 18 with 5 dice?
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