Answer:
3x + 4
Step-by-step explanation:
4x + 3 - (x-1)
expand the bracket
=4x + 3 - x + 1
=4x - x +3 + 1
=3x + 4
Answer:
22.3
Step-by-step explanation:
divide 13/7 = 1.86
multiply 1.86x12 = 22.3
Answer:
8.54
Step-by-step explanation:
If thousandth's place is ≥ 5 , then add 1 to the hundredth place.
6.487 = 6.49
2.049 = 2.05
6.487 + 2.049 = 6.49 + 2.05 = 8.54