Dark12356 Dark12356

22-02-2021
Mathematics

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This was the only question I didnt understand. An explanation would be nice.

This was the only question I didnt understand An explanation would be nice class=

Respuesta :

raki655 raki655

22-02-2021

Answer:

B

Step-by-step explanation:

ac =5x

cb=7x

(5x×5x)+ (5 +7)^2 = 7x^2

25x^2+144=49x^2

x=kök 6

ac =5kok 6

(5kok6)×12÷2= 30 kök 6

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help please thank you