rsahasi1 rsahasi1
  • 14-05-2020
  • Mathematics
contestada

Find all integer numbers n, such that 1+2+3+...+n is divisible by 5

Respuesta :

damijackson0 damijackson0
  • 14-05-2020

Answer:

Any number that ends in 0 like, 10, 20, 30, ect. and numbers that end in 5 like, 25, 35, 45, are all divisible by 5.

Step-by-step explanation:

So if any of the sums end in 0 or 5 it is divisible by 5.

Answer Link

Otras preguntas

Evaporation: Evaporation is the process where a _________ changes into a _________.
Shandra's cat is 23.4 cm tall and 38 cm long. Express these lenghts in metres and in millimetres. Someone help me , I really need it for tomorrow and please exp
what did the Muslims gain from the crusaders ?
2+3=8, 3+7=27, 4+5=32, 5+8=60, 6+7=72, 7+8=???????? SOLVE IT IF YOU CAN
Who established a school for navigation?
How many seconds in 2.6 days
solove. draw and lable a tape diagram to subtract tens. write the new number sentence.a. 23 - 9 = 24 - 10 =
what is the difference between a pentagonal prism and a pentagonal pyramid???????????
What kinds of activities made up the early economies of the North American colonies?
Force and Motion: Force changes _________.