Does Normal MMR affect Ranked MMR?

I have tried searching this, and cannot find anything of use. Basically, I am a Plat 4, who decided to play Norms with my friend that is not level 30. That means we were getting paired against bronze/silver opponents. Cool, makes sense. The problem comes when I decide to go solo queue. I am still being paired against silver/bronze opponents. Is this a bug? Either way, if you want to take a break from ranked, be aware that at the moment, it is most certainly affecting your ranked matchmaking as well.
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