Math, asked by jasminmmaney, 1 month ago

In an A.P. 1st term is 1 and the last term is
20. The sum of all term is 399, then n= *

Answers

Answered by snas217236

8

Answer:

plz mark as brain kiest

plz

Attachments:

Previous Question

Next Question

Similar questions

English, 16 days ago

write a dialogue between a thief and the owner of the house...

English, 16 days ago

Which of these sentences imply that a smaller number of mangoes are bought when it is not the mango season? A) Fewer people buy mangoes during the off-season. B) People buy fewer mangoes during the off-season. C) People buy mangoes during the fewer off-season. D) People buy mangoes fewer during the off-season.

Hindi, 16 days ago

जातिवाचक संज्ञा बताओ शास्त्री जी की पुत्री बीमार थी...

Math, 1 month ago

@ - 2 + (_2) +(_2)+(2) ...

Math, 1 month ago

Suppose we represent the distance above the ground by a positive integer and then below the ground by a negative integer, then answer the following. (i) An elevator descends into a mine shaft at the rate of 5 metre per minute. What will be its position after one hour? (ii) It begins to descend from 15 m above the ground. What will be its position after 45 minutes.

Math, 8 months ago

Divide 6.9168 by 52.4...

Math, 8 months ago

Find the answer Find answer Find the answer...

English, 8 months ago

change the glollowing sectênce actile to passive voice we didn't win the game ...