Answers NC-Math 4 CRVector Addition and Subtraction

Vector Addition and Subtraction Answers

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Which of the following illustrates the commutative property of addition?

17 + 4 + 21 = 21 + 21

17 + –17 = 0

17 + 0 = 17

17 + 4 = 4 + 17

Which of the following illustrates the inverse property of addition?

17 + 4 + 21 = 21 + 21

17 + 4 = 4 + 17

17 + 0 = 17

17 + –17 = 0

Which of the following illustrates the closure property of addition of real numbers?

The sum of any two numbers is close to the product of those numbers.

The sum of any two numbers is close to the difference of those numbers.

When you add 1 to a number you get the next closest number.

The sum of any two real numbers is also a real number.

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