dino347 dino347

13-03-2022
Mathematics

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find value of x, giving reasons

find value of x giving reasons class=

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Аноним Аноним

13-03-2022

Answer:

=> x = 2.4

Step-by-step explanation:

By using PGT

=> (5+x)² = 7²+x²

=> 5² +x² +2(5)(x) = 49+x²

=> 25 + x² + 10x = 49 +x²

=> 10x = 49-25

=> 10x = 24

=> x = 24/10

=> x = 2.4

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