subject
Mathematics, 09.12.2019 19:31 samiiegarciia

115 students could sign up to hear three different speakers for career day. 70 students heard the nurse speak, 52 heard the firefighter, and 78 heard the webmaster. some students heard more than one speaker. the results are shown in the table below.

number of students | speaker
15 | all three
20 | nurse and firefighter
30 | webmaster and nurse
12 | firefighter only

how many students signed up for webmaster only?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:20
Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y
Answers: 3
question
Mathematics, 21.06.2019 16:30
How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.
Answers: 2
question
Mathematics, 21.06.2019 18:10
True or false look at the picture pls : /
Answers: 2
question
Mathematics, 21.06.2019 19:30
Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?
Answers: 2
You know the right answer?
115 students could sign up to hear three different speakers for career day. 70 students heard the nu...
Questions
question
English, 24.03.2020 00:34
question
Mathematics, 24.03.2020 00:34
Questions on the website: 13722363