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Lynna [10]
3 years ago
10

Which expression is equivalent to (3a)-2​

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

removing of bracket

Step-by-step explanation:

(3a)-2

3a×(-2)

-6a

mart [117]3 years ago
7 0

Answer:

1/9a2

Step-by-step explanation:

I'm not sure if there's supposed to be a list of answers, but 1/9a2 is one. Hope this helps! Let me know if there was supposed to be a list.

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Could someone help me with this?
umka2103 [35]
---------------------------------------------
Find area of one triangle
---------------------------------------------
Area of triangle = 1/2 x base x height
Area of triangle = 1/2 x 9 x 11.75
Area of triangle = 52.875 ft²

---------------------------------------------
Find area of two triangles
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Area of 2 triangles = 52.875 x 2 
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Find the cost of the flower beds
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1 ft² = $4.25
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Answer: $449.44
---------------------------------------------
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