Question

It is given that x varies directly with y2 and x=3 when y=3. find the value of x and when y = 45.​

Answer 1

Answer:

X=15

Step-by-step explanation:

x/y=k.

3/3^2=k.

3/9=k.

so ,

k =1/3.

finding value of x when y is 45.

(as y =45 and k = 1/3 ). x/y=k. x/45=1/3. x= 1/3×45. x= 15