subject
Mathematics, 20.10.2020 20:01 chrisxxxrv24

What is the approximate area of a circle with a diameter of 18 in? A. 28.3 in2
B. 254 in 2
O C. 1018 in2
D. 56.5 in2

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 22:00
Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.
Answers: 2
question
Mathematics, 22.06.2019 00:30
If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking
Answers: 2
question
Mathematics, 22.06.2019 02:00
An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?
Answers: 1
question
Mathematics, 22.06.2019 04:30
The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.
Answers: 3
You know the right answer?
What is the approximate area of a circle with a diameter of 18 in? A. 28.3 in2
B. 254 in 2
Questions
question
Chemistry, 07.10.2019 12:50
question
Physics, 07.10.2019 12:50
Questions on the website: 13722359