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castortr0y [4]
2 years ago
8

Which addition does the model below represent? 5 positive tiles and 3 negative tiles.

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
8 0

Any time we have a single positive tile pair up with a single negative tile, those two tiles cancel out.

Three positive tiles and three negative tiles will pair up and cancel out. We're left with two positive tiles only. This represents the number 2.

In other words, 5 + (-3) = 5 - 3 = 2

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The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original
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Answer:

The original number could be 85.

Step-by-step explanation:

Let the 2 digits be x and y.

Let the number be xy then, assuming that x is the larger digit:

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Substituting for x:

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6 0
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3 years ago
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Step-by-step explanation:

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Answer:

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I hope that uesful for u :)

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