Dononise Dononise

19-11-2019
Mathematics

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If y= 3 when x= 15, find the value of y when x= 75

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nightjavi02 nightjavi02

19-11-2019

Answer: Y=15

Step-by-step explanation:

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nzeamaluchima nzeamaluchima

19-11-2019

Answer:

y = 15

Step-by-step explanation:

Let x vary directly to y

x ∝ y ; x=ky where 'k' is the propotionality constant

k = x/y; k = 15/3

k=5; But x=75

∴ 5 = 75/y; 5y =75

y = 75/5

y = 15

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