cherry2blossom
cherry2blossom cherry2blossom
  • 02-10-2018
  • Mathematics
contestada

Integer questions. Thank you!

Integer questions Thank you class=

Respuesta :

quynhgiao911516nan quynhgiao911516nan
  • 03-10-2018
3. We can see that
1+100=101
2+99=101
3+98=101
.................
and so on
From 1 to 100, there are 50 pairs that has the sum is 101
Z=101×50=5050
4. We can see that
1-2=-1
3-4=-1
5-6=-1
...........
and so on
There are 10 pairs that has sum is -1
Z= 10×(-1)=-10
Answer Link

Otras preguntas

n one to two sentences, describe how the destruction of the bison herds affected Indigenous Americans.
i need help with problem 1
please help me, I'll give brainliest ​
1 what is the difference between a verb and a noun brainpop
Which event takes place first in the story? A. Sydney feels nervous about her first day at a new school. B. Sydney meets Beth, who is also new to the school.
Why did many different native american cultures develop?
I Need help 75pts thanks in advance!
True or False. The point (7, 5) lies on the circle centered at the origin and containing the point (5, 2). Justify your answer.
what music form has a pattern that appears as A-B-A-C-A or A-B-A-C-A-B-A
Lola bought 4.25 yards of ribbon. The ribbon cost $1.59 per yard. What was the total cost of her ribbon to the nearest cent? Fill in the blanks with an operatio