I claim the ornamental design for the tray with dividers, as shown and described.
FIG. 1 is a top perspective view of the tray with dividers, showing my new design.
FIG. 2 is a bottom perspective view of the tray with dividers.
FIG. 3 is a front view of the tray with dividers.
FIG. 4 is a rear view of the tray with dividers.
FIG. 5 is a left side view of the tray with dividers.
FIG. 6 is a right side view of the tray with dividers.
FIG. 7 is a top view of the tray with dividers; and,
FIG. 8 is a bottom view of the tray with dividers.
The broken lines depict portions of the article that form no part of the claimed design. The outer broken line at the bottom of the tray in FIGS. 2 and 8 represents a boundary such that the interior of the rectangular broken line forms no part of the claimed design.