Mary wants to buy a small fence to place around a semicircular rock garden the diameter of the semicircle 18
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Answer: 9.4
Step-by-step explanation:
Here the x-coordinates and y-coordinates have the inverse relation.
⇒
⇒
Where k is variation constant.
Since, point (9.4, 11) is from the inverse variation,
Therefore, this point must be satisfy the above condition,
That is,
Thus, the relation between the coordinates is,
Put x = 11, in the above function,