The coefficient matrix is build with its rows representing each equation, and its columns representing each variable.
So, you may write the matrix as
which means
The determinant is computed subtracting diagonals:
So, we have
The first term of an arithmetic progression is 80 and the common difference is -3. what is the greatest possible sum of the firs
1 answer:
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Answer:
1/4 or 25%
Step-by-step explanation:
The probability for rolling an odd number is 50% or because there are 3 odd numbers, (1, 3, 5) and 6 total outcomes (1, 2, 3, 4, 5, 6).
The probability for rolling two odd numbers in a row is
So, the probability of rolling an odd number twice is 25% or .