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juin [17]
3 years ago
8

HELP PLS i need this right now

Mathematics
1 answer:
Margarita [4]3 years ago
5 0

Answer:

16.6

Step-by-step explanation:

By the property of intersecting secants outside of a circle, we have:

5 \times (5 + x) = 6 \times (6 + 12) \\ 25 + 5x = 6 \times 18 \\ 25 + 5x = 108 \\ 5x = 108 - 25 \\ 5x = 83 \\ x =  \frac{83}{5}  \\ x = 16.6

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Which polynomial represents twice the sum of -5x^2-x+6 and 7x^2+x-1?
elena-14-01-66 [18.8K]

The polynomial that represent twice the sum of -5x^{2} - x +6 and 7x^{2} + x -1 is : 4x^{2}+10

<h3>What is a polynomial?</h3>

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Learn more about polynomials: brainly.com/question/2833285

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