Answer:
Step-by-step explanation:
2 + (-3) + 7 = 2 - 3 + 7 = 9 - 3 = 6 <==
a positive multiplied by a negative will be negative
Answer:
x =59 degree
Step-by-step explanation:
Answer:
Step-by-step explanation:
z=68
68+(13x+47)=180
68+13x+47=180
13x=65
x=5
Answer: 5) r = 5, 8th term = -78,125
6) r = 5, 8th term = -312,500
7) r = 5, {1, 5, 25, 125, 625}
8) r = 5, {-4, -20, -100, -500, -2500}
<u>Step-by-step explanation:</u>
The explicit formula of a geometric sequence is:
, where;
- n is the number of the term
- a₁ is the first term
- r is the common ratio

