Answer:
x = 0.6y.
Step-by-step explanation:
x = ky is direct variation where k is some constant;
Now we find k:-
Substituting for x and y:
9 = k*15
k = 9/15 = 0.6
So the equation is
x = 0.6y.
Answer:
1. 40.00 sq units
2. 37.5 sq units
Step-by-step explanation:
1. Given slant height as 3 and the square base side as 4,
-The surface area of a right squared pyramid is calculated by summing the areas of the 4 triangles and the square base:

Hence, the area of the square pyramid is 40.00 sq units
2. The surface area of a cube is equivalent to 6 times the side of one face.
-Given the dimension of the sides as 2.5, surface area is obtained as:

Hence, the surface area of the cube is 37.5 sq units
That does not make any since...