mg7658
mg7658 mg7658
  • 23-06-2016
  • Mathematics
contestada

Given that y varies directly with x, what is the equation of direct variation if y is 3 when x is 7?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 26-06-2016
y α x

y = kx

3= k*7

3 = 7k

3/7 = k

k = 3/7

Relationship is y = kx ,  that is    y = (3/7)x
Answer Link

Otras preguntas

What can cause extinction of a species
If y=3 when x=2 fond y when x=-6
NEED HELP FASTT PLEASE HELP TIMED IMPORTant Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a. sin (a -b) = sin a cos b –
Is 0.1315.... rational no
An equation is shown below 3(x-2)+7x=1/2(6x-2) How many solutions,if any does the equation have?
Please my last question I need help Please
what is the area of the shaded triangle​
What was the essence of the Truman Doctrine? a policy of uniting several countries together to defeat communism a U.S. led program aimed at helping countries re
-7(-0.6)+4(-0.5) simplified
Querida Marta: ¿Cómo estás? Yo (1) porque mañana vuelvo a Puerto Rico y te voy a ver. Sé (I know) que tú (2) porque tenemos que estar separados durante el semes