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

what is the estimate of 74.75

are the ratios 2.5:3.5 and 5:7 proportional? explain

Tyler cut his small pizza into SIXTHS.He ate the whole pizza.how many pieces did he eat?

The mesentery carries blood to the?

What is an effect of Chaucer's decision to use a pilgrimage as the central premise for The Canterbury Tales? It sets up an expectation that exempla, which were

1] When the twins grew up, they continued to fight. [2] One day they decided to hold a contest to determine who was stronger. [3] Though they tried to defeat ea

what is a wave coming into a barrier

what is x+2=17-4x for a multiple step equation

simplify 5√105 ............

what is the noun phrase for we don't like horror films