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

Which formula expresses the number of months, m, that there are in y years in terms of y? A) y + 12 B) y - 12 C) 12y D) y ÷ 12
A rotating door is made from four rectangular sections, as indicated in the drawing. the mass of each section is 86 kg. a person pushes on the outer edge of one
At 9 A.M. you have run 2 miles. At 9:24 A.M. you have run 5 miles. What is your running rate in minutes per mile?
niall has a half dollar, krista has a quarter dollar, mary has a tenth of a dollar and jack has a hundredths of a dollar. if they combine their money do the 4
A firm first sets its strategies and then focuses attention on goals to accomplish them. a. True b. False
Which type of energy is emitted from earth to the atmosphere? *?
What are the angle measures of the triangle? (Answer choices in picture)
What do most Mexicans call Mexico City? Gran Tamale Ciudad Buena D.F. (Distrito Federal) La Madre
What are the two houses in congress
A pyramid has a base area of 124 in^2 and a height of 25.2 in. What is the volume of the pyramid?