L lolzlolz Member Joined Jan 3, 2022 Messages 67 Gender Female HSC 2022 Apr 20, 2022 #1 Can anyone help me with this math problem thanks Attachments Screenshot (17).png 35.7 KB Views: 13
C cossine Well-Known Member Joined Jul 24, 2020 Messages 582 Gender Male HSC 2017 Apr 20, 2022 #2 So what you have arithmetic sequence. The definition is given below a, a+d, ..., a + (n-1)d We are told a = 1.8, a+ (n-1)d = 1.2 and n = 61. Now you need to solve for d by making it the subject
So what you have arithmetic sequence. The definition is given below a, a+d, ..., a + (n-1)d We are told a = 1.8, a+ (n-1)d = 1.2 and n = 61. Now you need to solve for d by making it the subject
