Naila worked 3.5 hours more than Lisa. Together, they worked a total of 18 hours. Lisa worked h hours.
1 answer:
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Answer:
x-intercept = 4
y-intercept = −10
Step-by-step explanation:
x-intercept: Plug 0 in for to get this:
y-intercept: Plug 0 in for to get this:
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Answer:
The matrix is not invertible.
Step-by-step explanation:
We are given the following matrix in the question:
Condition for invertible matrix:
A matrix is invertible if and only if the the determinant is non-zero.
We can find the determinant of the matrix as:
Since the determinant of the given matrix is zero, the given matrix is not invertible.