yodrais110 yodrais110

21-05-2020
Mathematics

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I really need help please !!!

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wegnerkolmp2741o wegnerkolmp2741o

21-05-2020

Answer:

15

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(5+x) * 5 = 10^2

Distribute

25 +5x = 100

Subtract 25 from each side

25-25 +5x = 100-25

5x= 75

Divide by 5

5x/5 = 75/5

x = 15

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