The variables x and y vary directly. Given the equation y = 2x , find the value of x when y = 10.

The variables x and y vary directly. Given the equation y = 2x , find the value of x when

y = 10.

a.

10

c.

20

b.

5

d.

8

Please select the best answer from the choices provided the Answer is B. 5  

Step-by-step explanation:

answer: b.

step-by-step explanation:

the y coordinate for point b is 0, and answer b is the only one with that y coordinate.

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3