subject
Mathematics, 19.05.2020 02:00 kellyzeissss4181

A city is divided by a river. The portion of the city east of the river covers 25% of the city and has a population density of 28 persons per square kilometer. The portion on the west side of the river has 17 persons per square kilometer. Find the population density of the city as a whole.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
question
Mathematics, 22.06.2019 00:50
Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters
Answers: 2
question
Mathematics, 22.06.2019 01:00
The balance of susu's savings account can be represented by the variable b. the inequality describing her balance b > $30 . which could be a solution to the inequality?
Answers: 2
question
Mathematics, 22.06.2019 03:20
Apolice office claims that the proportion of people wearing seat belts is less than 65%. to test this claim, a random sample of 200 drivers is taken and its determined that 126 people are wearing seat belts. the following is the setup for this hypothesis test: h0: p=0.65 ha: p< 0.65 find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places.
Answers: 3
You know the right answer?
A city is divided by a river. The portion of the city east of the river covers 25% of the city and h...
Questions
question
Mathematics, 17.04.2020 20:41
Questions on the website: 13722363