Answer:
3.14 or π (It's the same thing)
Step-by-step explanation:
If you divide the circumference by its diameter, the constant ratio is called Pi
Answer: a=1.4
Step-by-step explanation:
move the 0.1a to the other and the 7 to the other side which will make the 7 positive and the 0.1a negative.
5a-0.1= 4.9a
-0.14+7=6.86
dive both sides by 4.9 and you get
a=1.4