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stich3 [128]
3 years ago
12

Plz help I’m on time

Mathematics
1 answer:
kirill [66]3 years ago
8 0
The answer is the 3rd options
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Which are the solutions of x² = 19x + 12​
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Answer:

\{x=\frac{19-\sqrt{409} }{2}\ , \  x=\frac{19+\sqrt{409} }{2}\}

Step-by-step explanation:

x² = 19x + 12

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b² - 4ac = (-19)² - 4×1×(-12) = 409

The discriminant is positive ,then the equation has two solutions.

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2 years ago
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Answer:

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Answer from Gauthmath

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What is the answer to 36 times 3\9?
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In ΔSTU, t = 3.4 cm, u = 6.9 cm and ∠S=21°. Find the area of ΔSTU, to the nearest 10th of a square centimeter.
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