3 years ago

Which of the following best illustrates Closure of Addition for the set of Whole numbers?

Mathematics

2 answers:

Marrrta [24]3 years ago

8 0

The answer to this is D!

PtichkaEL [24]3 years ago

4 0

The answer is D :) Hope this helps

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Wittaler [7]

"twelve decreased by twice a number" ---> 12 - 2x

"8 times the sum of number and 4" ---> 8(x + 4)

12 - 2x = 8(x + 4)

12 - 2x = 8x + 32 (distributive property)

12 = 10x + 32 (add 2x to both sides)

-20 = 10x (subtract 32 from both sides)

x = -2 (divide both sides by 10)

That's answer.

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viva [34]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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leva [86]

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Because that angle is 90 degrees so 90-48-42

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Mashutka [201]

Answer: 3, -3, 3i, -3i

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