1. 140 students participated in a knowledge retrieval session. 25 scored 90 out of 100; 63 scored 80 out of 100; 31 scored 70 out of 100; 15 scored 60 out of 100: 6 scored 50 on the
knowledge retrieval session. Determine the average score on this knowledge retrieval
session. Show all work.

76.14

Explanation:

The average will be the sum of all the marks that the students scored out of a hundred divided by the number of students.

25 scored 90

63 scored 80

31 scored 70

15 scored 60

6 scored 50

all the mentioned marks are out of hundred

Thus the average is given by

The average score of the students is 76.14.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!