s=15 d=0,02 E=6 C-?

To determine the value of \( C \) based on the provided variables \( s \), \( d \), and \( E \), it would help to know the relationship between these variables.

In some contexts, these could represent different physical, mathematical, or statistical quantities, but without specific formulas or equations to relate them, I cannot directly solve for \( C \).

If you have a specific formula or context in mind (for example, is this related to statistics, physics, or something else?), please provide that, and I can help you further.