$$\(y\)$$ is inversely proportional to $$\(x^{2}\)$$. When $$\(x=4, y=7.5\)$$. Find $$\(y\)$$ when $$\(x=5\)$$. $$\[ y= ............................................. \]$$
Exam No：0580_m20_qp_42 Year：2020 Question No：7(b)
Answer:
4.8
Knowledge points:
E2.8 Express direct and inverse proportion in algebraic terms and use this form of expression to find unknown quantities.
Solution:
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