The total payment for an item is $79.55. If there is a 7.5% sales tax, what is the base price?
1 answer:
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Answer:
Step-by-step explanation:
Given
The given system is can be represented by
The given system is consistent when determinant of A is not equal to zero
i.e. system is consistent for all value of k except
Answer:
Add one to all the x and subtract 4 to all the y values
Step-by-step explanation:
(1,4)= (2,0)
(-4,2)=(-3,-2)
(4,-3)=(5,-7)
