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22-05-2015
Mathematics

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The value of y varies directly with x2, and y = 36 when x = 3.

What is the value of y when x = 5?

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Аноним Аноним

22-05-2015

X varies directly with Y

Y=KX
Y/X = K K is the constant
36/3= K
12 = K

When X=5,
Y/5=12
Y= 12*5
Y=60

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