mizbetteqkamicholo
mizbetteqkamicholo mizbetteqkamicholo
  • 21-07-2016
  • Mathematics
contestada

If x varies directly as y, and x = 48 when y = 16, find x when y = 5.

Respuesta :

meerkat18
meerkat18 meerkat18
  • 21-07-2016
x directly varies with y which means as x increases, y also increases. In this case, we represent a constant of proportionality of k.

Applying laws of  proportionality, 

x =k y
48 = k* 16
k = 3

when y is 5
x = k y
x = 3* 5 
x = 15
Answer Link

Otras preguntas

Paul received a 12,000 loan from the bank. The bank charges his 6.99% yearly interest rate. 4 years, how much money does Paul owe in interest
Young people's have better ability to initiate positive change in their communities, because they have better technology, and can use the technology to grow and
[2.4–(0.3–3.21)÷2+0.44÷(−2)]÷2/5
Help asap Please reward for this problem is 30 points
how did the railroad system affect the U.S. economy in the 1860s?
_____ under common law was the forcible abduction or stealing away of a person from his or her own country and sending him or her into another country.
what is the perimeter of the figure ( 50in 10in 40in 18in )
Cheese, bologna, and peanut butter sandwiches were made for a picnic in a ratio of5 to 7 to 8. if a total of 120 sandwiches were made, how many bologna sandwich
A state's license plates consist of four letters followed by three numerals, and 246 letter arrangements are not allowed. how many plates can the state issue?
Both ______ and _____, the chairperson of the prosperous corporation gave away the majority of his profit to people less fortunate. A. Unfounded....translucent