Answer:
- 85
Step-by-step explanation:
The n th term of a geometric series is
= a
where a is the first term and r the common ratio
1 ← is the n th term of a geometric series
with a = 1 and r = - 2
The sum to n terms of a geometric series is
=
=
=
=
= - 85
3/10 is the fraction that matches 30%.
Answer:
14 mi
Step-by-step explanation:
V = 718.38 mi³, r = 7 mi, find h
Use V = πr²h/3
718.38 = 3.14 * 7² * h/3
718.38 = 51.287 h
h = 718.38/51.287 = 14 mi
Answer:
D
Step-by-step explanation: