Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

774,943 users

Assume that y varies directly with x

0 votes

then solve. If y=-6.6 when x=9.9, find y when x=6.6.

y=?

asked Sep 21, 2018 in ALGEBRA 2 by anonymous

1 Answer

0 votes

If y varies directly with x then it should satisfy the equation y = mx ----------> (1)

Substitute y = -6.6 and x = 9.9 in Eq (1)

-6.6  =  m (9.9)

m  =  (-6.6) / (9.9)

m  =  -2/3

Substitute x = 6.6 and m = -2/3 in Eq (1)

y  =  (-2/3) 6.6

y  =  -4.4

Answer :

y  =  -4.4

answered Sep 22, 2018 by homeworkhelp Mentor

Related questions

...