Step-by-step explanation:
Given the geometric sequence
8 + 6 + 4.5...
A geometric sequence has a constant ratio and is defined by
∵
∵ ,
so
∵
∵
∵
Therefore, the sum of the first 25 terms in this geometric series: 31.98
Answer:
6 greeting cards for 23.40
Answer:
It a simultaneous equation so the solution is 2
Step-by-step explanation:
No solutions beacause you have to factor out numbers for -9 but they must equal -8 when adding them.