Kim Mathers, the ex-wife of Eminem , has pleaded no contest after she was charged in a hit-and-run crash. Mathers, 51, immediately entered the plea Monday in a Michigan court, which means she is accepting her conviction on the two charges — operating a vehicle while impaired and failure to stop after a collision — without formally admitting guilt. The charges stem from a February 16 crash in Mount Clemens, Michigan. Mathers was driving a white Range Rover when she allegedly hit a silver Dodge Ram pickup truck that was parked on the street and pushed it back 50 feet from where it was parked, according to police. She was allegedly impaired at the time of crash. “Driving under the influence is not a lapse in judgment—it is a deliberate decision that puts every person on the road at risk,” Macomb County Prosecutor Peter Lucido said in a statement.…