lashondrascott
21.07.2019 •
Mathematics
An airliner travels 45 miles in 5 minutes. what is it’s speed in miles?
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Ответ:
Ответ:
43.5
Step-by-step explanation:
(-4x+9) + (8x-3)=180 **a triangle equals 180 degrees**
4x+6=180
4x=174
x=174/4
x=43.5