MissAfterglow
MissAfterglow MissAfterglow
  • 24-01-2022
  • Mathematics
contestada

find the number of terms in the given ap 3,8,
13 ,18.............78

SHOW STEPS​

Respuesta :

Phinix Phinix
  • 24-01-2022

Answer:

16

Step-by-step explanation:

First term (t₁) = a = 3, Common difference (d) = 8 - 3 = 5 and last term (tₙ) = 78

78 = 3 + (n - 1)5

⇒ 78 = 3 + 5n - 5

⇒ 78 = -2 +5n

⇒ 78 + 2 = 5n

⇒ 80 = 5n

⇒ n = 16

Therefore, 78 is 16th term of A.P: 3, 8, 13, 18...

Answer Link

Otras preguntas

How much is 5 dimes how much does sandy have?
The blank are the only orchestral drums of definite pitch
How has the United States antiterrorism foreign policy affected other countries
How do I convert 3/5 into a decimal
What is the approximate mass of an object weighing 730 N on earth?
Need help with number 3
Most of our groundwater is stored in earth's streams, rivers, and lakes. true or falseif false write the correct term that would make the sentence a true statem
An office supply company orders packs of pens for two of its stores. For the first store, the order is for 60 packs of ballpoint pens and 25 packs of gel pens,
which fraction is equivalent to -4/6
Which of these details provides support for the idea that Alice is having trouble communicating with the other characters? A.) they were about the same size a