lucosmeroyhealack
lucosmeroyhealack lucosmeroyhealack
  • 21-06-2016
  • Mathematics
contestada

If y varies directly as x, and y is 20 when x is 4, whats this relation?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 26-06-2016
y α x

y = kx

20 = k*4

20 = 4k

20/4 = k

5 = k

k = 5

Relation is y = kx ,  that is    y = 5x
Answer Link

Otras preguntas

Why have the united states return to isolationism by the 1930s?
Art nouveau was largely a reaction to forms which grew out of
What happens to one amendment is it is not ratified
List four reasons of meaningful use that demonstrate the capabilities and processes required for the provider to show active use of certified electronic health
Molly bought a case of bottled water at the store. The case contains 48 bottles. Molly knows that she will drink 3 bottles of water each day and plans to restoc
A _______ is a financial plan that estimates the amount of money earned versus how much will be spent. A. fiscal policy B. budget C. franchise tax D. sales tax
If 5r + 6 < 36, then a) r<6 b) r<8 c) r<12 d) r<30 e) not given
Why would it be a remarkable thing to get the doctor to come to the village?
When children ask why questions the questions typically revolve around?
The product of two positive integers plus their sum is 95. The integers are relatively prime, and each is less than 20. What is the sum of the two integers?