subject
Mathematics, 31.07.2019 09:00 abbygailgo674

When devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. which system of equations can be used to find how many of each type of bill devon received? a) f- t = 18; 50f + 20t =450 b) f + t = 18; 50f + 20t = 450 c) f + t = 450; 50f + 20t = 18 d) f + t = 18; 50f - 20t =4 50

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:10
What is the area of triangle abc if a = 8, b = 11, and c = 15?
Answers: 1
question
Mathematics, 21.06.2019 19:30
Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
question
Mathematics, 22.06.2019 04:20
What is the range of the inverse of the given function f(x)=√x-2
Answers: 2
question
Mathematics, 22.06.2019 04:40
This assignment is past the original due date o this data is from a sample. calculate the mean, standard deviation, and variance 16.7 11.1 46.7 14.8 13.3 16.6 18.5 47.3 42,8 show the following answers to 2 decimal places. sample mean- sample standard deviation ( use the standard deviation above for your calculation.) sample variance ooops- now you discover that the data was actually from a population! so now you must give the population standard deviation.
Answers: 3
You know the right answer?
When devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bill...
Questions
Questions on the website: 13722363