Answer:
The answer is 20/3/4(without spaces) or 20 3/4.
Step-by-step explanation:
Answer:
1. What happens when air is heated or cooled? ... So air, like most other substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.
Step-by-step explanation:
Hope this helps
5x+3÷4=7
5x+.75=7
-.75 -.75
5x = 6.25
divide by 5 on both sides
x= 1.25
please mark brainliest
Answer:
145.5x10 3
Step-by-step explanation:
145.5x10 raise to the power of 10
Answer:
x=7,-17/3
Step-by-step explanation:
