Answer:
41 minutes
Step-by-step explanation:
Step one:
given data
Susan purchased a prepaid phone card for $15
let the number of minutes be x
and let the total be y
per minute call cost = 14 cents = $0.14 per minute
Hence the expression for the situation is given as
y= 15-0.14x
Step two:
given that the balance after a call is 9.26
9.26=15-0.14x
solve for x
9.26-15= -0.14x
5.74=0.14x
divide both sides by 0.14
x=5.74/0.14
x=41 minutes
If there is no relation between x and y, it is said that their is "no correlation."
Answer:
Rule: Y = 1/3x
Slope: 1/3
Y- intercept: (0,0)
X- Intercept: (3,1)
I have answered have a good day.
Answer:
I don't know
Step-by-step explanation:
I think the answer is 21
