Augxv
Augxv Augxv
  • 15-08-2016
  • Mathematics
contestada

Suppose that y varies directly as x and y=-9 when x=3. Find the value of x when y=18

Respuesta :

caylus
caylus caylus
  • 15-08-2016
Hello,

y=k*x
if x=3 then y=-9 ==>-9=k*3==>k=-3
if y=18 then 18=-3*x==>x=-6

Answer : x=-6

Answer Link

Otras preguntas

Which function has a vertex at the origin? f(x) = (x + 4)2 f(x) = x(x – 4) f(x) = (x – 4)(x + 4) f(x) = –x2
In the 1930s, Germany first began to expand aggressively by
Richard Connell’s “The Most Dangerous Game” is a thematically rich story. What is one of the complex psychological themes that this story deals with? a. the di
whats the ratio of 0.6 to 12 to the lowest term
Find the product mentally. (2j + 7)(2j - 7) A: 4j2 + 49 B: 4j2 - 49 C: 2j2 - 28j - 49
whats the ratio of 0.6 to 12 to the lowest term
Solve for x: −4|x + 5| = −16
Please Help Me Fast!! Which of the following numbers is a perfect square? 484 485 489 490
1/x^-1 somebody help me solve this please ill give reward to all who help
Who's YouTube creator?