Respuesta :

23adrir

Answer:

8.54

Step-by-step explanation:

Answer:

X = 7.4

i am glad to be helping you! good luck in your test ;)

Step-by-step explanation:

[tex]3^{2} + x^{2} = 8^{2} \\\\3^{2} - 8^{2} = -x^{2} \\9 - 64 = -x^{2} \\(you-cancel-the-negatives)\\\sqrt{55} = x\\7.4 = x\\[/tex]

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