Answer: 
Step-by-step explanation:
Given
Cost of white-washing =Rs. 4989.60
Rate =20 per meter square
So, inside area of = 
The surface area of dome= 

The volume of air in the dome 

X-3y=-5
-(x+3y=1)
-------------
-6y=-6
y=1
x=-2
that is false that doesent equal 3 multiple
Answer:
5*1/12
Step-by-step explanation:
I don't know if this is right but hopefully it is ^^"
Answer:
y=−4 and x=5
Step-by-step explanation:
y=−4;y=(
(−2)
5
)(x)−2
Step: Solvey=−4for y:
Step: Substitute−4foryiny=
−2
5
x−2:
y=
−2
5
x−2
−4=
−2
5
x−2
−4+
2
5
x=
−2
5
x−2+
2
5
x(Add 2/5x to both sides)
2
5
x−4=−2
2
5
x−4+4=−2+4(Add 4 to both sides)
2
5
x=2
2
5
x
2
5
=
2
2
5
(Divide both sides by 2/5)
x=5
Answer:
y=−4 and x=5