Xy is the number
A) x + y = 7
B) 10y + x = 10x + y + 9
collecting terms of equation B
B) -9x + 9y = 9
multiplying A) by 9
A) 9x + 9y = 63 then adding it to equation B)
B) -9x + 9y = 9
18y = 72
y = 4
x = 3
The number is 34
Answer:
A
Step-by-step explanation:
If the volume of a cube is 27 it means that one edge is equal to the cube root of 27
3*3*3=27
Edge=3
I hope it was helpful
Step-by-step explanation:
- (x²y)(x³y⁴)
- x²y×x³y⁴
- x²×x³×y×y⁴
- x^2+3×y^1+4
- x⁵×y⁵
- x⁵y⁵
