babygirl651 babygirl651

02-01-2017
Mathematics

contestada

y varies directly as x,and y =4.5 and x=0.5. A)write an equation that relates x and y. B)Find y when x =1.2. C)Find x when y=7.2

y varies directly as xand y 45 and x05 Awrite an equation that relates x and y BFind y when x 12 CFind x when y72 class=

Respuesta :

xEngineerOrg xEngineerOrg

02-01-2017

A. You get the equation [tex]y(x)=\frac{4.5}{0.5} \cdot x = 9 \cdot x[/tex]
B. For x = 1.2, you get [tex]y = 9 \cdot 1.2 = 10.8[/tex]
C. For y = 7.2, you get [tex]x = \frac{y}{9} = \frac{7.2}{9} = 0.8[/tex]

Answer Link

Otras preguntas

PLZ HELP!!!!!!! Tammy’s last four homework scores were 68, 76, 70, and 74. The mean absolute deviation of her scores is________ . a.0 b.3 c.12 d.72 Tammy work

A drag racer starts her car from rest and accelerates at 14 meters per second per second for the entire distance of 424 meters. how long does her race take

What is the value of x?

What is 673.983 rounded to the nearest hundredth

Since Frank Castle believes that drug dealers and users should be severely punished and that the government has too many regulations, he is said to lean _______

In which region would one be most likely to find additional evidence of the earliest human civilizations? 1.Asia 2.Europe 3.North America 4. South America

Which describes changing an angle of rotation

Are all even numbers composite

How does careless tourism harm corals?

what naturally accurring radioisotope is used as the fuel for a nuclear reactor