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2 answers
1.If x varies inversely with y and x = 4 when y = 8, find x when y = 16.
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Anonymous
x = k/y 4 = k/8 k = 32 x = 32/y When y = 16, x = 32/16 x = 2
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Anonymous
You first write down x=k/y, where k=the constant of variation, then find k with the given condition (4,8). After finding k, calculate x with the given value of y=8.
