nc15007 nc15007
  • 01-04-2022
  • Mathematics
contestada

If x and y vary inversely, and x = 8 when y = 1/4, what is y when x = -4?

Respuesta :

loneguy
loneguy loneguy
  • 01-04-2022

[tex]y \propto \dfrac 1x\\\\\implies y = \dfrac kx \\\\\implies \dfrac 14 = \dfrac k{8}\\\\\implies k=2\\\\\text{When}~ x =-4\\\\y = \dfrac{k}{x} = \dfrac{2}{-4}= -\dfrac 12[/tex]

Answer Link

Otras preguntas

what type of galaxy is shown? - elliptical - irregular - normal spiral - barred spiral
Which of the following would be expected if the tariff on foreign-produced shoes were decreased? a. The supply of foreign shoes to the domestic market would dec
TAG GGG CCC AAA TTT mRna strand: and Amino sequence
Which of the following is true about emergency powers ? A) They are never used. B) They are an example of an implied presidential power . c) They are an example
If n + 4 represents a positive odd integer, the next larger consecutive positive odd integer is represented by A. 2(n + 4) B. n + 2 C. n + 5
Using the problem below, solve and explain how you got the solution to the system of equation. -x-2y=1 x+y=2
All of the following are physical contaminants in our food supply except
Select the correct answer. Which reaction is a decomposition reaction? A. 2KClO3 → 2KCl + 3O2 B. 4Na + O2 → 2Na2O C. ZnS + 3O2 → 2ZnO + 2SO2 D. 2NaBr + CaF2
Select the correct answer. What makes mobile banking somewhat less secure than regular online banking? A Mobile banking apps are inherently less secure than ban
Can someone help me With the questions please???