We have the function C(r) = 6.28r.
When we enter an input into the function, we get a number multiplied by 6.28.
When we plug in a value, replace all variables with the number you entered.
C(4) = 6.28(4)
C(4) = 25.12
So, 25.12 is the answer.
3.75X10^5 Is the answer, check it in your calculator just to be sure!
Answer: 3x + y = 19
Step-by-step explanation:
You can buy 9 pens I hope this helps
7x + 24 = 3x + 92
4x = 68
x = 17