Answer
Yes, because it is a linear combination of the vectors
Work Step by Step
If $v=\frac{1}{m}[m_1v_1+...+m_kv_k]$, then $v=\frac{m_1}{m}v_1 + ... + \frac{m_k}{m}v_k$, and thus it is a linear combination of the vectors $v_1, ... v_k$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.