subject
Mathematics, 28.10.2020 15:00 bbyjoker

1. The fourth term of an arithmetic sequence is 9.6 and the ninth term is 15.6. Find the sum of the first nine terms.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.
Answers: 1
question
Mathematics, 21.06.2019 18:50
If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28
Answers: 1
question
Mathematics, 22.06.2019 00:40
Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?
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?
1. The fourth term of an arithmetic sequence is 9.6 and the ninth term is 15.6. Find the sum of the...
Questions
question
English, 19.05.2021 20:20
question
Mathematics, 19.05.2021 20:20
question
Chemistry, 19.05.2021 20:30
question
English, 19.05.2021 20:30
question
Mathematics, 19.05.2021 20:30
question
Arts, 19.05.2021 20:30
Questions on the website: 13722360