ehdgyahq1242 ehdgyahq1242
  • 23-04-2021
  • Mathematics
contestada

Find the 7th term of the arithmetic sequence 3, 15, 75, ...

Respuesta :

unicorn3125
unicorn3125 unicorn3125
  • 24-04-2021

Answer:

         a₇ = 46 875

Step-by-step explanation:

15:3 = 5  and  75:15 = 5

so this is a geomertic sequence with common ratio of 5

a₁ = 3,  r = 5

aₙ = a₁ rⁿ⁻¹

a₇ = 3(5)⁶ = 3(15 625) = 46 875

Answer Link

Otras preguntas

5x - 4y = 4 x + 2y = 8
Linda has $26. She wants to buy a ski pass for $80. She can earn $6 per hour to babysit. PLEASE ANSWER THIS FOR ME PLEASEEEE I BEGG U PLEASEE
Topic: How Banks Create Money Skill: Definition 33) Suppose the required reserve ratio is 20%, A $40 million cash deposit will, at most, allow an expansion of t
Edmund has 100 coins all nickels and quarters if he has $12 in all how many nickels does he have a) 35 b)45 c)55 d)65
Explain how to use a number line to find the sum 7 + −2.
t the following in order for the most area in the tails of the distribution. ​(a) Standard Normal Distribution ​(b) Student's​ t-Distribution with 5 degrees of
Please help please!!!!!!!!!
Can anyone h.e.l.p me in Edge . nuity for Architecture
3. Hallar el área de un cuadrado que tiene 21 metros de lado. * * (2 puntos) 447 441 461
When does the body make most of its nerve cells