subject
Mathematics, 18.03.2021 01:50 harmonypowers7656

Find the sum of the first 9 terms of an arithmetic sequence where a1 = 8 and a9= 56?
288
64
72
486

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:40
What are the solutions to the equation 4x2+3x=24-x
Answers: 2
question
Mathematics, 21.06.2019 22:00
Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)
Answers: 1
question
Mathematics, 21.06.2019 23:30
Sara has 2 2/3 cup taco meat. she needs 1/6 cup to make one taco. how many tacos can sara make with the taco meat she has?
Answers: 1
question
Mathematics, 22.06.2019 00:30
Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm
Answers: 1
You know the right answer?
Find the sum of the first 9 terms of an arithmetic sequence where a1 = 8 and a9= 56?
288
Questions
question
Mathematics, 20.09.2020 08:01
question
Mathematics, 20.09.2020 08:01
question
Mathematics, 20.09.2020 08:01
question
Mathematics, 20.09.2020 08:01
Questions on the website: 13722363