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Sagot :
Answer:
The constant of proportionality is 2.
Step-by-step explanation:
z^2 = kW where k is a constant.
When z = 4 , W = 8 so
4^2 = 8k
k = 4^2/8
= 16/8
= 2.
Answer:
z² = 2W
Step-by-step explanation:
Assuming you require the equation of proportionality
Given z² is directly proportional to W then the equation relating them is
z² = kW ← k is the constant of proportion
To find k use the condition z = 4 when W = 8
4² = 8k
16 = 8k ( divide both sides by 8 )
2 = k
z² = 2W ← equation of proportionality
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