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emmainna [20.7K]
3 years ago
12

SOMEONE HELP!! 30 points!

Mathematics
1 answer:
Nostrana [21]3 years ago
6 0

Answer:

AB = square root of 403

Step-by-step explanation:

use the pythagorean theorem to solve for AB.

a^2 + b^2 = c^2

9^2 + b^2 = 22^2

81 + b^2 = 484

b^2 = 484 - 81

b^2 = 403

b = 20.07

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Answer:

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Step-by-step explanation:

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3 years ago
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Is 25x²-40xy+16y²a perfect square number? why?​
Crank

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C.

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