After a storm, the Serafina family needs to have their roof replaced. Their house is in the shape of a pentagonal prism with the
dimensions shown in the diagram.
A roofing company gave Mr. Serafina an estimate based on a cost of $2.75 per square foot to replace the roof. How much will it cost the Serafina family to have their roof replaced?
A $3,850
B $1,500
C $2,062.50
D $4,500
Plz help
A roofing company gave Mr. Serafina an estimate based on a cost of $2.75 per square foot to replace the roof. How much will it cost the Serafina family to have their roof replaced?
A $3,850
B $1,500
C $2,062.50
D $4,500
Plz help
1 answer:
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Answer:
Option A.
Step-by-step explanation:
The given matrix is
We need to find the system of equations which is represented by the matrix.
In the given matrix first row represents the first equation and second row represents the second equation of the system of equations.
Let two variables are x and y.
First column represents the coefficients of x and second column represents the coefficients of y.
Numbers on the right side of the matrix represents the numbers which are right side of the equations.
Now, the required equations are
Therefore, the correct option is A.