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kifflom [539]
3 years ago
11

25 POINTS!!!!

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

C) 154

Step-by-step explanation:

This is the formula A=πr^2 so, 3.14*7^2=153.86 so glad to help you this is my 100th math q!!!

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To add 20.4 + 3.75 + 4.25, Crystal first added 3.75 and 4.25. Which property did Crystal use to add mentally?
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Answer:

Associative Property of Addition

Step-by-step explanation:

From the list of given options, option A correctly answers the question and this is because

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or

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<em>The above illustrations only apply to Associative Property of Addition</em>

In Crystal's case:

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This can be compared to (1) above

Hence;

<em>Option A answers the question</em>

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Answer:

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