Yilin's answer to Yiadya's Secondary 3 E Maths Singapore question.
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5a) breath = (30-x) m
b) shown
c) use quadratic formula : x = 20 or 10
d) breath = 10m (length must be longer than breath)
b) shown
c) use quadratic formula : x = 20 or 10
d) breath = 10m (length must be longer than breath)
Date Posted:
2 years ago
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