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Lyrx [107]
2 years ago
15

Start with x^2 + 4x = 12 and complete the square, what is the equivalent equation?

Mathematics
1 answer:
Alla [95]2 years ago
3 0
The answer is A. You multiply each side by (b/2)^2. B is 4. 4 divided by 2 squared is 4. To make it the same equation squared, you factor it to (x+2)^2. You have to also add the (b/2)^2 to 12 so 12+4=16
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the volumes of two similar figures are 729 mm and 2744 mm if the surface area of the larger figure is 392 mm what is the surface
Stolb23 [73]
We know that
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scale=∛(volume of larger figure/volume of smaller figure)
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[surface area of the larger figure]=scale²*[<span>surface area of the smaller figure]
</span>[surface area of the smaller figure]=[surface area of the larger figure]/scale²
[surface area of the smaller figure]=[392]/1.56²----> 162 mm²

the answer is
the surface area of the smaller figure is 162 mm²
7 0
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