Question
Suppose y is directly proportional to x and that y = 40 when x=5.
Complete parts (a)and(b).
Find the constant of proportional k.
k=
(b)use y=ky to find y when x=9
y=
Complete parts (a)and(b).
Find the constant of proportional k.
k=
(b)use y=ky to find y when x=9
y=
Answers
Ms. Sue
I'm amazed! You're a college student and don't know the difference between a school and a school subject?
Damon
40 = 5 k
so
k = 8
y = 8 x
y(9) = 8*9 = 80 - 8 = 72
so
k = 8
y = 8 x
y(9) = 8*9 = 80 - 8 = 72