Alright, I'll explain them as well.
1. The answer is 7, The open end of the sign is always to the larger number.
2. The answer is 4, and again, the open end of the sign is always to the bigger number.
3. The answers is two, and as before, 2 is the only number that will not make it negative or 0 and make the larger number be to the open end of the sign.
4. I'm not entirely sure on this one, so I won't answer it because I don't want to be the reason you get it incorrect.
5. For this one, divide 180 by 2.25, this will give you 80. The inequality should be 2.25k ≥ 180, k <span>≥ 80.
I hope this helps, have a nice day :)</span>
700/10=70
140/70=2
A heart beats 70 beats a minute
It takes 2 min to beat 140 times
Answer:
It will take them 5 hours.
Step-by-step explanation:
If one is moving towards the other at 30, and the other by 20 more, then the equation would be 30+50, so 80mph.
Answer:
could be either b or d
Step-by-step explanation:
