Answer:
The volume of the cube is;
Explanation:
Given that the Volume of a cube is;
The volume of a cube shaped fish tank with the side n of 4.5ft;
Substituting the value of n;
Therefore, the volume of the cube is;
3x-y=-2
y=2x+3
substitute y into first equation
3x-(2x+3)=-2
distribute
3x-2x-3=-2
add
x-3=-2
+3 both sides
x=1
solve for y
y= 2 (1)=+3
y=2+3
y=5
Answer:
22.5 cm
Step-by-step explanation:
In the figure attached the graph of the problem can be seen.
Given the triangles are similar then the next proportion must be satisfied:
13.5/9 = 18/12 = x/15 = 1.5
Isolating x, we get:
x/15 = 1.5
x = 1.5*15
x = 22.5 cm
This isn't my work. Thanks to jbiain.