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
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
A student poses the question: How does the presence of dissolved salt affect the freezing point of water? To answer this question, the student set up two condit
What does the arrow in a chemical reaction represent
solve: p+2÷6 -p-3÷3 = p
The Ryan family had a fire that destroyed their home. Various departments of a restoration company, from the initial cleanup crew to the assistance with the Rya
What do nucleus act as
Luke is addicted to video games. He downloads treasure quests games, car racing games, and war games that involve violence. Most of these games also portray sex
Populations of amphibians, including frogs and toads, have been plagued by disease and high rates of deformity. A recent study investigated whether problems amo
The nebular theory is the most widely accepted view of the origin of our solar system. Which of the following is a short description of the nebular theory? A) T
If 50% of x I’d 150, what is 75% of x?
Suppose the planet Uranus were much brighter in the sky, so that it was as easily visible to the naked eye as Jupiter or Saturn. Which one of the following stat
