YCCMAnon
YCCMAnon YCCMAnon
  • 03-06-2021
  • Mathematics
contestada

Given a geometric sequence that begins with the terms 2,3,... What is the sum of the first 12 terms?

Respuesta :

goyangi
goyangi goyangi
  • 03-06-2021
The sum of the first 12 terms ≈ 515

Explanation:

a (first term) = 2
r (ratio) = second term/first term = 3/2

S12 (sum of first 12 terms)
= [a(r^n - 1)]/(r - 1)
= [2((3/2)^12 - 1)]/(3/2 - 1)
≈ [2(128.75)]/(1/2)
≈ 257.5/0.5
≈ 515
Answer Link

Otras preguntas

Inhalants burn more brain cells at a faster rate than any other drug. true or false ?
Avoiding distractions is one way to assure that you're being an active listener. true false
What is 2/3 multiplied by 3equals what
I have to write a paper and make up a story. Any story fiction or nonfiction. Do you guys have any ideas? I will upvote:)
Which group has played the most significant role in solving global environmental problems? Western Europe Eastern Europe Oceana South America
C6H12O6 is an example of
9•c•4. How do you solve this
I need to know what the area is of the feild
Based on what you've learned, what can artificial intelligence do for us? choose all that apply: *think critically *manufacture cars *replace manual labore
Kumbi Saleh traded primarily in _____. gold and salt salt and copper copper and gold copper and bronze