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

“The Rose that Grew from Concrete” - Tupac 1. Tupac’s short poem is filled with personification (that is when a non-human object is given human-like abilities o
largest two digit prime natural number​
The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons. What is the average rate
witch goes up evaparation or precipataion
which country benefitted the most from the Protestant Reformation
1 MINUTE PLEASE HELP ME ​
Help me help me help me
What is the pressure in atmospheres exerted by a column of water that is 12.5 m high? (density of water = 1.00g/cm3; gravitational constant = 9.80665 m/s2, 1 at
The perimeter of a rectangle is 40 inches. The length is 8 inches. What is the width?
name 2 jobs where taking responsibility for you would be important​