Mathematics, 29.06.2019 02:00 gungamer720

Tell wheather the system has one solution, infinitely many solutions, or no solution. 1. 5x-3y=10 10x+6y=20 2. 2x-5y=17 6x-15y=51

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Answers: 1

Answer

Mathematics, 22.06.2019 03:20

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.

Answers: 2

Answer

Mathematics, 22.06.2019 04:00

What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?

Answers: 1

Answer

Mathematics, 22.06.2019 04:30

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.

Answers: 1

Answer

You know the right answer?

Tell wheather the system has one solution, infinitely many solutions, or no solution. 1. 5x-3y=10 1...

Questions