farhadi2
15.04.2021 •
Mathematics
Solve 2x+y=-1 and -x+y=-7 in substitution method
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Ответ:
x=2 y=-5
Step-by-step explanation
Ответ:
AB ≈ 3.14 in
Step-by-step explanation:
arc AB is calculated as
AB = circumference of circle × fraction of circle
= 2πr ×
= 2π × 6 ×
= 12π ×
= π ≈ 3.14 in ( to the nearest hundredth )