Answer:
12y
Step-by-step explanation:
Answer:
k = 3
Step-by-step explanation:
Given that y and x are directly related then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 81 when x = 27
k =
=
= 3
Plugging in (2,-7) into
y=-5x+b, we get that b=3.
Therefore, the equation is y=-5x+3
Answer:
$21/$1.50 per mile =14 miles. The units match $/($/mile), so division was the proper operation.
C
Step-by-step explanation:
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1/9 = 2/18 = 3/27 = 4/36 = 5/45 = ... = n/(9n) for any n