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26-06-2022
Mathematics

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Suppose y varies directly as x², and y = 160 when x = 4. Find y when x = 6.

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Аноним Аноним

26-06-2022

Finding the constant of proportionality :

y = kx²
160 = k(4)²
k = 10

Finding y when x = 6 :

y = 10(6)²
y = 10(36)
y = 360

The value of y is 360 when x = 6.

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