JoelWilliams456 JoelWilliams456
  • 17-12-2018
  • Mathematics
contestada

Variables x and y are in direct proportion, and y = 35 when x = 2m. If x = 8m, then y = A) 4.375 B) 8.375 C) 70 D) 140

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 17-12-2018

Answer:

D) 140

Step-by-step explanation:

The equation for direct variation is y= kx

If we know x and y we can solve for k

35 = k*2

Divide each side by 2

35/2 =k

Now the equation for direct variation is

y= 35/2 x

Given x=8 we can substitute in

y = 35/2 * 8

y = 140

Answer Link
LukeHemmings5sos LukeHemmings5sos
  • 17-12-2018

Answer: D) 140

(both x and y are multiplied by 4)

Answer Link

Otras preguntas

Which is not true about cancer cells
PLES HALP!!!!!!!!!!! In which situation might GDP (gross domestic product) NOT be an accurate indicator of the health of a country's economy? A) The country is
A. x = 2, y =6 B. x = 2, y =3 C. x =-2, y =3 D. x = -3, y =2
Please answers this question all?
Find the missing angels in the parallelogram
What is the trigonometric ratio for cosC ?
what is the best diet 2 type diabetes
Why was there a demand for sugar in England?
Students were asked how many pairs of shoes they owned. Their responses were 8, 2, 1, 5, 7, 6, 2, 2, 8, and 3 The median of the data is
Lina wants to go on a trip to Venezuela. If the ticket is $1,538 and she has $873, what percent of the money does she already have?