Answer:
m+1
Step-by-step explanation:
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:
12 mpm
Step-by-step explanation:
Because he goes 3 miles in 36 mins so 36/3=12
Answer:
Even tho it's not Christmas yet Merry Christmas
Step-by-step explanation:
Answer:
42 degrees
Step-by-step explanation:
180-138 = 42
angles 1, 2, and 5 are all 139 degrees
angles 7, 3, 4, and 6 are 42 degrees
