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

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!
Ryan has 4 cups of grape juice, and Kelsey has 7 cups of lemonade. They want to combine what they have to make punch. How many 1/2 cup servings of punch can the
In the figure shown, which pair of angles must be supplementary? (A) ∠AXY​ and ∠YXB (B) ∠DXA​ and ∠AXY (C) ∠DXC and ∠CXB (D) ∠YXB​ and ​∠CXB
The length of a rectangular picture frame is 4 inches shorter than its width. If the perimeter of the picture frame is 44 inches, what is the length, l, and wid
Where do the commas go : Science math and english are more difficult than reading.
why is climate change a serious threat to the least developed agriculture area, mountain region and island countries​
Can someone help me please
c What is the difference between the control group and the experimental group in an experimental study?
Why does he add emotion to his narrative when he speaks about Miss Jourdine?
The framers of the Articles of Confederation believed that: A. citizens should be free to spend their money as they please. B. a powerful central government is