Answer:
x = 39
Step-by-step explanation:
In a parallelogram the opposite angles are congruent , then
3x - 15 = 2x + 24 ( subtract 2x from both sides )
x - 15 = 24 ( add 15 to both sides )
x = 39
Answer:
3003 cm³
Step-by-step explanation:
21cm × 13cm × 11 cm = 3003 cm³
Answer:
Step-by-step explanation:
If the greater number is x and it is two times greater than the other number then the other number is half as big. This is true because 2*x = x
Cube surface area = side^2 * 6
54 / 6 = side^2
side = sq root (9)
side = 3 centimeters