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2 years ago

Which property is illustrated by this problem? 99.78 + 0 = 99.78

Mathematics

1 answer:

Katen [24]2 years ago

3 0

Answer:

Identity property of addition.

Step-by-step explanation:

The identity property of addition says that the sum of 0 and any number is that number. So 99.78 + 0 = 99.78 is identity property of addition. This is true because the definition of 0 is "no quantity", so when we add 0, the number doesn't change.

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2 years ago

Can you help me find the measure of each angle? Diagram attached

never [62]

<u>Answer:</u>

5x = 100°

4x = 80°

<u>Step-by-step explanation:</u>

We are given a diagram with a straight line AC being intersected by another line BD and we are to find the two mentioned angles.

We know that the two angles (5x° and 4x°) are supplementary so their sum would be equal to 180°.

So we can write it as:

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4 0

2 years ago

Read 2 more answers