subject
Mathematics, 30.04.2021 01:00 daisyperez1

The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 31 minutes of calls is $25.35, and the remaining credit after 60 minutes of calls is $21.00. What is the remaining credit after 72 minutes of calls?​

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 20:30
Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?
Answers: 1
question
Mathematics, 21.06.2019 21:30
The anwser cause i do not understand just plez
Answers: 1
question
Mathematics, 21.06.2019 22:00
State one method by which you can recognize a perfect square trinomial.
Answers: 1
question
Mathematics, 22.06.2019 06:20
Acircle has a radius of 5 in. a central angle that measures 150° cuts off an arc.explain how to find the arc length exactly, and then approximate it to one decimal place.
Answers: 1
You know the right answer?
The credit remaining on a phone card (in dollars) is a linear function of the total calling time mad...
Questions
question
Mathematics, 23.08.2019 22:50
question
Mathematics, 23.08.2019 22:50