Answer:
π =14 cm
Step-by-step explanation:
Given:
circumference of a circle =616 cm
pie(π)=22/7
circumference of a circle=πr^2
616=22/7 *r^2
616*7/22 =r^2
4312/22 =r^2
196=r^2
=r
14 =r
Answer:
I did a similar problem but the total depth was 12/16
so what I did was multiply 3/4 by 4 which gave me 12/16 so that means that the whole is 3/16
To solve x, you would distribute the 3 to the numbers in the parenthesis. 3x-3=5+x Now you would combine like-terms which would give you: 2x=2. Now you would divide by 2 on both sides to give you x=1. I hope you understand what I did. Hope I helped you!
I would say duolingo. it's an app, not a website though
