babygirl651
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 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

solve linear equation 1/4 x + 18 = X
Sketch one cycle of y = sin 2q.
At which position is the northern hemisphere reciving the most hours of sunlight per day.
What motivates you to do a good job other than a paycheck?
The direction of Kings Mountain from Camden ?
P (x) = x^4 - 4x^3 + 3x^2 Factor the polynomial and use the factored form to find the zeros. (Enter your answers as a comma-separated list. Enter all answers in
Harry made a scale drawing of the elementary school. The schoolyard, which is 154 meters long in real life, is 22 millimeters long in the drawing. What scale di
8 more questions until I’m done
i need help ASAP please ant thank you what is x
What are the major jobs/works of a pharmacist?​