jacielposada jacielposada
  • 03-09-2018
  • Mathematics
contestada

y varies inversely as x. if x = 7 then y = 6. Find y when x = 4.

Respuesta :

smmwaite
smmwaite smmwaite
  • 03-09-2018

Answer

10.5


Explanation

Y varies inversely as x

Y ∝ 1/x

Y = k/x  K is the the constant of variation

k = Yx

   = 6 × 7 = 42

Y = 42/x

Y = 42/ 4

  = 10.5

Answer Link

Otras preguntas

help me please a teacher brings 2 3/4 pounds of hamburger to make 1/4 pound patties how many patties can she make?
How many girls are in the marching band? And how can I turn 3/10 into a number
Alia needs to bring at least 25 pieces of fruit to a training practice. She suggested apples and oranges and was told to be sure to bring more than 10 apples. L
We have a right triangle that has am 8 meter and 21 meter leg .Find the hypotenuse
Solve for x, 0 ≤ x ≤ 360. 1/sin^2 x = 4 A. 30 B. 150 C. 210 D. 330 You can choose more than one !
What do you think will happen to the Earth's climate if more solar radiation is absorbed by the Earth's surface?
Help on letter b please
the parks department is monitoring level of a lake the change in water level of the lake is modeled by a third degree polynomial function P(x)A) what do the x-v
FREE POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :) How is paraphrasing different from summarizing? A. paraphrasing uses quotation marks. B. paraphrasing on
Justin is standing in the tee box and swings the golf club. As he swings, the end of the golf club gains speed and _____________. A. Chemical energy B. Kinetic