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I would say yes, but its hard to tell how much- they probably will carry less weight based on the amount of negatives you have reporting also. A person without negatives would see a much bigger jump after 10 inquiries drop than someone with even one charge off reporting.
How many cards do you have? You really only need 2 or 3 to rebuild- let one carry a small (less than 10%) balance, and keep the others at zero, then rotate which card you use each month. If you write up a journal listing all your accounts, good and bad- folks can give you more specific advice and help.