Question

Help?

Answer 1

i'll help what do you need help with? :D

Answer 2

what do you need help with @Allieeslabae ?

Answer 3

Suppose that x varies directly with y/ Use the fact that x=39 when y=-117 to find the constant of variation and to write the equation of variation. Find the value of x when y=-132.

Answer 4

hint:
if x varies directly with y, then we can write:
\(x=ky\)
now, using the data, we can write:
\(39=-117\cdot k\)
what is k ?

Answer 5

@Allieeslabae

Answer 6

y = kx
-117 = k * 39
k = -117/39
k = -3

-132 = -3x
-132/-3 = x
x = 44

Answer 7

I got \(k=-1/3\)

Answer 8

so, \(x=(-132)/(-3)=...\)

Answer 9

where is your work?

Answer 10

meaning x=44

Answer 11

I update the formula, like below:
\(3x=-y\)

Answer 12

so, I have to solve this equation:
\(3x=132\)

Answer 13

Okay so now I plug that in? 3(44)=132???

Answer 14

yes!

Answer 15

And thats correct! 3*44 =132 so 132=132! thanks so much!

Answer 16

:)