Answer:
50x-2
Step-by-step explanation:
5y = 4x + 20
- 4x + 5y = 20
the square of a negative number always be positive
eg: -2² = -2×-2 = (-×- = +) +4
the cube of a negative number always be positive
eg: -2³ = -2×-2×-2 = (-×-×- = +) -8
hope it helps...!!!
Answer:
435.2kg (1DP)
Step-by-step explanation:
0.64x680
64 divided by 100 = 0.64
Answer:
1) 125
2) 1
3) 27
Step-by-step explanation:
1) 5*5*5=
125
2) whenever there is an exponent of 0, the number is 1
3) 3*3*3=
27
