isisjoya1
isisjoya1 isisjoya1
  • 23-06-2015
  • Mathematics
contestada

If y varies directly as x and y = 144 when x = 12, what is the value of y when x = 17?

Respuesta :

naǫ
naǫ naǫ
  • 23-06-2015
Direct variation:
[tex]y=kx[/tex]

y=144 when x=12.
[tex]144=12k \\ k=\frac{144}{12} \\ k=12[/tex]

y=? when x=17.
[tex]y=12 \times 17 \\ y=204[/tex]

y=204 when x=17.
Answer Link

Otras preguntas

Which of the following describes the solution to the equation √c^2+2c-4=√1-2c? – 5 is an extraneous solution, and 1 is a true solution. – 5 is a true solution
Congenital defect in which one has only half a heart
find the slope of y=2x-4
Why are homologous structures used as evidence of evolution?
Help me help me please
How do I solve qudratic equations with factions, like this one: [tex] \frac{5}{3} [/tex]x²-5= 0
What role did the printing press play in the protestant reformation?
Peanut butter and jelly are _____. This means that an increase in the demand for peanut butter also increases the demand for jelly.
A person who studies the earth's composition and structure is a(n) _____.
Does sandpaper reduce friction