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

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 is evaporation ? bubblycherry101, have you left ?

We sprayed the flowers with water. They did not turn pink. The fact that the flowers did not turn pink is an: inference interpretation experiment observation i

Academic integrity only relates to cheating, true or false?

One week Michaela earned 142.20 at her job when she worked for six hours if she is paid the same hourly wig how many hours would she have to work the next week

Solid,liquid,gas how do they differ in how easily they change shape

a) Identify ONE similarity between the economic factors that encouraged trade on the Silk Road and the Indian Ocean trade networks in the period from 1200 to 14

Janet measures her average step length to be 30 inches. When Janet runs, her average step length increases to 36 inches. How many steps would she have to take t

How was life different for urban and rural slaves?

Which equation represents a line which is parallel to the line y = 5x – 5? A)5x +y = 8 B)2 – 5y = -30 C)y - 5x = 2 D)3 + 5y = 30

11. A man lifts a weight of 300 N through a vertical height of 2 m in 6 seconds. What power does he develop?