Answer:
Does exist -- It only exists when the determinant does not equal zero.
Step-by-step explanation:
The inverse of a matrix is the transpose of the cofactor matrix, divided by the determinant. If the determinant is zero, the result of the division is undefined and the inverse does not exist.
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For this matrix, the determinant is (-2)(18) -(9)(4) = -72. The inverse exists.
Answer:
3/2 cups of water for every cup of milk
Step-by-step explanation:
multiply by 3
Yesssssifkfnrjcknd doieuur736464
