What's the area and the perimeter of rectangle ABDC shown in the coordinate plane? answers : A) Area = 24 square units; perimete
r = 32 units B) Area = 32 square units; perimeter = 24 units C) Area = 24 units; perimeter = 32 square units D) Area = 32 units; perimeter = 24 square units
1 answer:
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Cost of installation fee is $120.
Step-by-step explanation:
Let,
Monthly fee = x
Installation fee = y
According to given statement;
6x+y=594 Eqn 1
11x+y=989 Eqn 2
Subtracting Eqn 1 from Eqn 2
Putting x=79 in Eqn 1
Cost of installation fee is $120.
Keywords: Linear equations, subtraction
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