pjroldan01
pjroldan01 pjroldan01
  • 01-02-2018
  • Mathematics
contestada

The value of y varies directly with x, and y=1 when x=2.

Find y when x=4

Respuesta :

ggxrcia ggxrcia
  • 01-02-2018
Direct variation: y=kx
k = constant of variation

Solve for k when y=1 and x=2
1 = 2 · k
k = 1/2

y = 1/2 · x

Solve for y when x=4
y = (1/2) · (4)
y = 2

Answer Link

Otras preguntas

If I wanted to quadruple the volume of this prism, what scale factor should I apply to the dimensions? PLEASE ONLY QUESTION!!! ILL GIVE BRAINLIEST
A materials engineer wants to test whether or not a certain device spends an average of more than 30 seconds soaking a component part in solution. Therefore, sh
A bag contains 10 green marbles and 15 whites marbles. suppose a marble is randomly selected. what are the odds in favor of picking a white marble?
Which rhetorical appeal do both excerpts use? A. logos: the use of logic to convince the audience B. pathos: the use of emotional appeals to affect the audien
Which of the following is a basic point that Keynes made about consumption? Question 5 options: Consumption and disposal income are inversely related. When disp
help me balence: ___ H2 + ___ O2----> _____ H20
Solve. Five times a number is 110 less than 7 times the number. Find the number.
Which of the following is one of The Joint Commission's patient safety goals for ambulatory care programs? A. Identify patient safety risk. B. Use alarms safely
what was the most goals the team scored in a game
What are all of the factors pair’s of 24