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gulaghasi [49]
3 years ago
14

The value of y varies directly with the value of x. When y = 72, x = 6. What is the value of y when x = 10?​

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0

Answer:

y = 120

Step-by-step explanation:

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

y = kx ← k is the constant of variation

To find k use the condition when y = 72, x = 6, then

72 = 6k ( divide both sides by 6 )

12 = k

y = 12k ← equation of variation

When x = 10, then

y = 12 × 10 = 120

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