Answer:
19. D
20. A
Step-by-step explanation:
19. Tan= opp/adj
20. Sin= opp/hyp
Answer:
The explicit formula for the geometric sequence is
.
Step-by-step explanation:
By definition of geometric sequence, we should use the following expression:
,
(1)
Where:
- First term.
- Geometric rate.
- Position of the element within the series.
If we know that
and
, then the explicit formula for the geometric sequence is:

The explicit formula for the geometric sequence is
.
The answer the this problem can be either 6/15 or 2/5
Answer:
22
Step-by-step explanation:
QS =2×11 = 22
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