jade15623 jade15623
  • 14-03-2020
  • Mathematics
contestada

FY varies directly as X andY is 48 when X is six which expression can be used to find x is 2

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jimrgrant1 jimrgrant1
  • 14-03-2020

Answer:

y = 16

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 48 when x = 6, thus

k = [tex]\frac{y}{x}[/tex] = [tex]\frac{48}{6}[/tex] = 8

y = 8x ← equation of variation

When x = 2, then

y = 8 × 2 = 16

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