johnthell98johnthell johnthell98johnthell
  • 15-05-2017
  • Mathematics
contestada

The variables x and y vary directly. Write an equation that relates x and y, when x = 4 and y = 2

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 17-05-2017
Since x & y vary directly  (it means when x increases, y increases & vice versa)
Then the equation==> y = k.x (k is a constant to be calculated)

But x=4 and y= (given) ==> 2=4k or k= 1/2 & the equation becomes y=1/2 (x)
Answer Link

Otras preguntas

How do I write an equation in slope intercept form from; Slope 3, y-intercept at -4
What features of colonial politics in 18th century America contributed to the development of popular democracy, and what kept political life from being more tru
What is the connection between 2.3 times 6.9 and 6.9 divided by 2.3.
Antonio sold a hat for $18. His wholesale cost was $8. What was the percent markup?
What does this mean?The levying money for or to use of the crown by pretense of prerogative,without grant of parliament, for long time, or in other manner than
Simplify the expression. [90 – (12 + 13)](15 ÷ 3)
WHAT COULD HAPPEN IN THE BODY IF PROTEINS OR ENZYMES LOST THEIR CONFORMATIONS OR WERE DENATURED?
What is the most dense thing in the world
which has the least absolute value?A. 5B. 30C. -10D. -50
England won respect from others countries because the Spanish Armada was defeated.Answer True  False