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Nezavi [6.7K]
3 years ago
5

What number must be added to both sides of this equation in order to "complete the square"?

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0

Answer:

D 9 is the correct answer

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faltersainse [42]

Step-by-step explanation:

Let Angle C be x

So angle B will be 5x

Since they both are complementary, we can come up with this equation.

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3 years ago
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The sum of these terms is the average of the first and last terms, multiplied by the number of terms:

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