evealex evealex
  • 17-02-2017
  • Mathematics
contestada

if x and y vary directly, and x=10 when y=3, what will be the value of x when y=9?

Respuesta :

Safsafsofia
Safsafsofia Safsafsofia
  • 17-02-2017

As x and y vary directly then x∝y i.e. x=ky, where k is a constant.

When x=24, y=8 i.e. 24=k×8 and therefore

k=248=3

and relation between x and y is hence x=3y

and when y=9, x=3×9=27.



I hope this is what you're looking for.

Answer Link

Otras preguntas

What is the primary purpose of regulatory agencies?
Why does the narrator go to visit usher
How to find surface area and volume of a sphere
what was the main reason that Europe began to trade opium for Chinese goods
the park family is staying at a hotel near an amusement park for 3 nights the hotel cost $129 per night how much will there three nights stay in the hotel cost
The total or agreed-upon rate of pay or salary is called
solve this equation (a^2/b)^5
Whom did the Nazis kill during the holocaust?
The Counter-Reformation was a. the rise of Calvinists against Lutherans. c. the spiritual reform of the Catholic church. b. the rise of Catholics against Luther
The price of one country currency expressed in another country currency definition