Answer:
5 is a posotive number and -5 is a negitave number
Step-by-step explanation:
2.48 can be rounded pretty much any number between 2.45 to 2.5
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Answer:
1.4 hour, or 1 hr 24 min
Step-by-step explanation:
The trains separate at the rate (80 + 90) mph.
Recall that distance = rate times time, or time = distance / rate.
238 mi
Here, the elapsed time is -------------- = 1.4 hr, or 1 hr 24 min
170 mph