Seudónimo Seudónimo

24-02-2016
Mathematics

contestada

If y=-12, when x=9, find y when x=-4

Respuesta :

apologiabiology apologiabiology

24-02-2016

2 different things
if it is
xy=k or if it is x/y=k
direct or inverse variation

I will do the x/y=k one
9/-12=-3/4
x=-4
-3/4=-4/y
mutiply both sides by y
-3/4y=-4
mutiply both sides by -4/3 to clear fraction
y=16/3

Answer Link

Otras preguntas

a person with a somatic symptom disorder experiences

John has earned scores of 87%, 95%, 92%, 89%, 84% on his unit exams. If the final exam counts 1.5 times as much as a unit exam, what score must John make on his

What was one of the effects of mansa Musa’s pilgrimage to Mecca?

Jackie has been in a terrible mood lately, and she is looking for any way to improve it. When Jackie's friend Anthony asks if she would be willing to volunteer

What is the ‘angle’ZQPT?

The equation isthe rate of the car times the time it took toreach the destination set equal to the rate ofthe bike times the time it took to reach thesame desti

Can someone pls help me?

A group of workers can plant at a rate of 16 hectares per day. How many hectares can they plant in 4 days?

justify the quote telling the truth and making someone cry is better than telling a lie and making someone else

!!Help please!! Why is it a good idea to store numeric data in variables in a program?