subject
Mathematics, 19.08.2020 01:01 supermansabeast

Describe the error in finding the number of people who live in a circular region with a 7.5-mile diameter and a population density of 1550 people per square mile. Question 2

The formula for the circumference of a circle was used instead of the formula for the area of a circle.

The diameter was substituted into the formula for the area of a circle instead of the radius.

The expression π⋅7.52 should be in the numerator of the fraction, not the denominator.

The expression π⋅7.52 simplifies to 56.25π2, not 56.25π.

Question 3
Correct the error. Round your answer to the nearest whole number.

The number of people who live in the region is about
.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)
Answers: 2
question
Mathematics, 21.06.2019 14:30
The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle
Answers: 3
question
Mathematics, 21.06.2019 19:00
The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.
Answers: 1
question
Mathematics, 21.06.2019 19:50
Is it greater than or less than7*3_9*2
Answers: 2
You know the right answer?
Describe the error in finding the number of people who live in a circular region with a 7.5-mile dia...
Questions
question
Social Studies, 17.04.2020 05:09
Questions on the website: 13722367