spongebob451
spongebob451 spongebob451
  • 10-05-2020
  • Mathematics
contestada

A.
Suppose that y varies with x, and y = 15 when x = 6. Write an equation
B.
Find y when x = 7
whats y?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 10-05-2020

Answer:

y = 5/2x

y = 35/2

Step-by-step explanation:

direct variation

y = kx

Substitute the values for x and y

15 = k(6)

Divide each side by 6 yo find k

15/6 = k

5/2 = k

The equation is y = 5/2 x

Now we know x =7

y = 5/2(7)

y = 35/2

Answer Link
Аноним Аноним
  • 10-05-2020

Answer:

y is 15

Step-by-step explanation:

Answer Link

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