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Sagot :
Answer:
0.3
Step-by-step explanation:
The constant of proportionality is the ratio between two directly proportional quantities. Two quantities are directly proportional when they increase and decrease at the same rate. The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other.
Answer:
Constant of proportionality = 0.3.
Step-by-step explanation:
This will be the slope of the line:
= (6 - 1.5) / (20-5)
= 4.5/15
= 0.3.
The equation of the line is y = 0.3x where 0.3 is the constant proportionality.
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