nizohnisilas273 nizohnisilas273

11-04-2018
Mathematics

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Question 8 Unsaved Use algebra tiles to find the difference. Let one white tile equal +1 and one black tile equal –1. 6 – (–9)

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ammonbecker ammonbecker

11-04-2018

6-(-9)=15, the double negative cancels out and so you get 15 white tiles.

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