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

Suzie buys a salad for $5.12 and is given $14.88 as change. Which equation represents the situation if x is the amount Suzie had before she bought the salad? A.
The circulatory system supports the skeletal muscular system by: A) sending nerve signals to the muscles. B) breaking down glucose to release energy. C) transp
Image below math help
Which number should each side of the equation 4/5x=8 be multiplied by to produce the equivalent equation of x = 10? A −45 B 15 C 54 D 5
I need the answers and the work
What is 7199 rounded to nearest hundred
Find the difference quotient of f(x)=x^2-3; that is, find [f(x+h)-f(x)]/h, h =/= 0
How do people benefit from economical growth
identify the island nation that the alies fought to liberate In the battle of leyte
Which of these is nearest in meaning to the word unintelligible as it is used in the line above