Mathematics, 19.02.2020 21:10, 23jazzy
A total of 330 children and adults attended a school play. There were 21 times as many children in attendance as there were adults.
This situation is modeled by the given system of equations, where a represents the number of adults and c represents the number of children.
c = 21a
a + c = 330
How many children attended the play?
Answers: 3
Mathematics, 21.06.2019 18:20, nehaljay1883
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 21:40, Casey7019
Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit
Answers: 3
A total of 330 children and adults attended a school play. There were 21 times as many children in a...
Biology, 20.11.2020 18:20
Mathematics, 20.11.2020 18:20
English, 20.11.2020 18:20
Mathematics, 20.11.2020 18:20
Spanish, 20.11.2020 18:20