math148 math148
  • 10-09-2015
  • Mathematics
contestada

how many pairs of whole numbers have the sum of 40

Respuesta :

neciababy neciababy
  • 10-09-2015
We start with 0 + 40.
1. 0 + 40
2. 1 + 39
3. 2 + 38
4. 3 + 37
.....
keep going....
.....
19. 18 + 22
20. 19 + 21
21. 20 + 20 
There are 21 pairs of whole numbers that have a sum of 40.
Answer Link

Otras preguntas

mga salitang katunog ng "Wika"​
Which of the following would not be appropriate to consider in the physical design of a data center? A Inclusion of an uninterruptible power supply system and s
Sponges are some of the simplest animals on Earth. Why do they fit the definition of animals? Why are sponges different from plants or fungi?
a can complete a piece of work in 10 days B can do it in 12 days C can do it in 15 days in how many days will they finish the work if they work together​
what is the synonyms of good​
What kind of things do people write about in personal blogs? And in professional blogs?
help help help help help help
I'm going into my freshman year tommorow any advices tips
Find the value of x in the isosceles triangle shown below.
Mammals who have very short development period Inside their mothers body, followed by a second development period Inside a special pouch of the mother that is