Asurvey of 14 middle school students showed the mean number of minutes
students talked o...
Mathematics, 28.12.2019 15:31 Felicitybuckman
Asurvey of 14 middle school students showed the mean number of minutes
students talked on the cell phones in a week was 133. what
is the total number of minutes those students talked in a
week?
what was the typical amount of time a student talked in a day? explain.
another survey asked the same 14 students plus 5 other students how long
they talked for the same week. this survey said the mean number of minutes
all the students talked was 171 minutes.
what was the mean number of minutes the additional 5 other students
talked? show your solution.
what was the typical amount of time one of the 5 students talked in a day?
explain.
Answers: 1
Mathematics, 21.06.2019 15:30
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
Mathematics, 21.06.2019 20:30
Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i
Answers: 1
Computers and Technology, 04.07.2020 14:01
Mathematics, 04.07.2020 14:01
Computers and Technology, 04.07.2020 14:01