Arithmetic progression
In some arithmetic progression applies:
5a2 + 7a5 = 90
s3 = 12
Find the first member a =? and difference d =.
5a2 + 7a5 = 90
s3 = 12
Find the first member a =? and difference d =.
Final Answer:
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Related math problems and questions:
- Geometric seq
Find the third member of geometric progression if a1 + a2 = 36 and a1 + a3 = 90. Calculate its quotient. - Sequence Third Term Value
Find the value of the third member of the sequence if the sequence is given by: 3^n + 93. - Arithmetic progression
Find the difference AP if a1 = -1.5 and a2 + a3 = 2.7. - Third member
Determine the third member of the AP if a4=93, d=7.5. - Fifth member
Determine the fifth member of the arithmetic progression if the sum of the second and fifth members equals 73 and the difference d = 7. - Difference AP
Calculate the difference of arithmetic progression if the sum of its first 10 members Sn = 1325 and the first member is a1 = 20 - Geometric progression
Determine the fourth GP member if q = 4 and a1 + a3 = 5.44
