Register
Find a1 for a geometric Sequence if r=5 and a6=1000
7.5k views
4 votes
Find a1 for a geometric Sequence
if r=5 and a6=1000

User Brookes
by
3.7k points

1 Answer

4 votes

Answer:

  • The first term is 0.32

========================

Given

  • GP with r = 5, a₆ = 1000

Use the nth term equation:

  • aₙ = a₁*rⁿ⁻¹

Substitute and solve for a₁:

  • 1000 = a₁*5⁵
  • 1000 = a₁*3125
  • a₁ = 1000/3125
  • a₁ = 0.32
User Constant Meiring
by
3.2k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.4m questions

4.3m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Can someone help me plz I have to Turn 27/9 in simplest
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
Link Copied!