Dylan is evaluating the expression 13 + 19 + 7 + 10. At one step in his work, Dylan rewrites the equation as 13 + 7 + 19 + 10. W
hich property of addition must Dylan have used when he evaluated the expression?
1 answer:
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If
On the other hand, if the smaller set is entirely contained within the larger set, i.e.
Check the picture below.
so hmmm let's get the whole area of the rectangle, and then <u>get the areas of those 3 triangles and subtract their area from that of the rectangle's,</u> what's leftover is what we didn't subtract, namely, the white triangle.
