you didn't give the options but constant of proportionality is a number you have to multiply x by to get y.
y=kx is the equation that expresses the proportionality of x and y
the constant of proportionality is k, so k=2
y= kx becomes y=2x
so y = 2x should be the answer
Answer:
9ab+3a
Step-by-step explanation:
(2a+a)(3b+1)=(3a)(3b+1)
3a(3b+1)
=(3a×3b)+3a×1
=9ab+3a
Answer:
its 0.59
Step-by-step explanation:
Because if you divide 7.08 and 12 then you get the answer.
Answer:
77.88
Step-by-step explanation:
just did the test!
Whenever they ask what is a certain fraction of a number, just multiply.
(3/4)(535)=401.25