Answer:
x=14
Step-by-step explanation:
17=x+3
-3 -3
14=x
subtract 3 on both sides
Answer:
see explanation
Step-by-step explanation:
Given that y varies inversely as x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition that x = 9 when y = 15
15 = ( multiply both sides by 9 )
k = 135
y = ← equation of variation
Answer:
a
Step-by-step explanation:
Answer:
Step-by-step explanation:
23.02 plus an additional 0.19 for each text.....x = # of texts
$ 0.19x + 23.02 = 27.77 is ur equation