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goldfiish [28.3K]
3 years ago
13

Find the length of the third side. If necessary, write in simplest radical form.

Mathematics
1 answer:
fredd [130]3 years ago
6 0

Answer:

6

Step-by-step explanation:

All we need to do is pythagoras theorem. 4sqrt5 is the hypotenuse and 4 is a leg, (4sqrt5)^2 - 4^2 = 36. Sqrt36 is 6.

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The equivalent expression for (x + 4)^5 is x^5+ 20x^4+ 160x^3 + 640x^2 + 1280x  + 1024

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(x + 4)^5 = 1 * x^5 * 4^0 + 5 * x^4 * 4^1  + 10 * x^3 * 4^2 + 10 * x^2 * 4^3 + 5 * x * 4^4 + 1 * x^0 * 4^5

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