here is the answer you need.
4. The walls and the ceiling of a
1 answer:
Step-by-step explanation:
You need to find the area of the room's walls.
Remember that area of a rectangle is
Find the area of all FIVE areas to be plastered. Four walls and one ceiling.
There is one GOTCHA in here! The heigth is given in cm. You'll need to convert this to meters.
With the area, you can multiply by the cost given.
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Answer:
c = 4
Step-by-step explanation:
In a perfect square trinomial, the following relationship is true:
In order for the given expression to be a perfect square trinomial:
Solving for 'c':
Therefore, c must be equal to 4.