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Aleks04 [339]
3 years ago
14

Shannon says the two expressions below are equivalent. Is she correct? Explain why or why not? 2(3a - 2) + 4a and 10a - 2

Mathematics
2 answers:
kotegsom [21]3 years ago
5 0

Answer:

Step-by-step explanation:

No she is not correct because 2 times 3a is 6a and -2 times 2 is -4. And then 6a plus 4a is 10a. So therefore the equation would be 10a -4 which is not equivalent to 10a -2. Hope this helps you

Anni [7]3 years ago
3 0
No, she's not correct. The first expression is equal to 2 and the second expression is equal to 12. So, it's NOT CORRECT.
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Answer:

The circumference of the yellow circle is 9\pi or 28.27cm^2 approximately, the circumference of the blue circle is 6\pi or 18.85m^2 approximately, the circumference of the green circle is 80\pi or 251.33mm^2 approximately, the circumference of the red circle is 5\pi or 15.71cm^2 approximately, and the circumference of the pink circle is 7\pi or 21.99cm^2 approximately.

Step-by-step explanation:

To find the circumference of a circle, you need to multiply the diameter of the circle and multiply it by \pi. In this case, the circumferences of the yellow circle are 9\pi or approximately 28.27cm^2, the circumference of the blue circle is 6\pi or approximately 18.85m^2, the circumference of the green circle is 80\pi or approximately 251.33mm^2, the circumference of the red circle is 5\pi or approximately 15.71cm^2, and the circumference of the pink circle is 7\pi or approximately 21.99cm^2.

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scoundrel [369]
1)

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