x=18 i got this because i saw that 11 is 8 more than 3 soo i added 8 to 10 and i got 18
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Answer:

Step-by-step explanation:
we know that
In the right triangle ABC of the figure
Applying the Pythagoras Theorem

substitute the given values

Solve for c




Answer:
y = (x-7)/9
Step-by-step explanation:
y = 9x + 7
x = 9y + 7
x - 7 = 9y
y = (x-7)/9
If you are asking how long the string is or the hypotenuse it would be about 75.89466