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01-05-2021
Mathematics

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If x and y vary inversely and x = 5 when y = -3.5, what is the value of x when y = 10?

Respuesta :

01-05-2021

Answer:

Step-by-step explanation:

k = xy

Putting values of x and y in the equation

k = (5)(-3.5)

= - 17.5

Finding value of x when y = 10

k = xy

- 17.5 = x10

Bringing like terms on one side

- 17.5 - 10 = x

-27.5 = x

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