Rewrite the formula for the circumference of a circle, C=2πr, in terms of its diameter, d
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Answer:
y = 1
Step-by-step explanation:
Given that y varies inversely with x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition y = 25 when x = , then
25 = = 5k ( divide both sides by 5 )
5 = k
y = ← equation of variation
When x = 5, then
y = = 1