Answer:
Given - Radius of ring is 9 millimeters
To find - Circumference
Solution -
9 millimeters = 0.9 centimeters
Circumference of circle = 2 × pie × r
= 2 × 3.14 × 0.9
= 6.28 × 0.9
= 5.652
The second one is the best answer in my opinion i'm not sure.
I think the best answer is 3 to 9 but thats not a answer so 3 to 6
Answer:
Step-by-step explanation:
Answer:
x = - 5
Step-by-step explanation:
5x + 23 = - 2x - 12 ( add 2x to both sides )
7x + 23 = - 12 ( subtract 23 from both sides )
7x = - 35 ( divide both sides by 7 )
x = - 5
