AC Lim's answer to Fasmina's Secondary 2 Maths Singapore question.
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a) take 2points from the graph.
Let take (1.2, 305) and (1.0, 275)
Gradient = y1-y2 / x1-x2
Answer 150
b) p=0.72 till touch the graph line then read the Q value... around 235
C) p is direct proportional to Q
Let take (1.2, 305) and (1.0, 275)
Gradient = y1-y2 / x1-x2
Answer 150
b) p=0.72 till touch the graph line then read the Q value... around 235
C) p is direct proportional to Q
Date Posted:
5 years ago
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