fer5
fer5
11-12-2015
Mathematics
contestada
break apart the addends to find the sum 18+21
Respuesta :
WorldCitizen
WorldCitizen
11-12-2015
we break apart the first numer:
10+8
the second:
20+1
and add like this:
18+21=10+8 + 20+1
now, we can mix up the order:
18+21=10+8 + 20+1= 10+20 + 8+1
add the parts:
18+21=10+8 + 20+1= 10+20 + 8+1=30+9=39
Answer Link
VER TODAS LAS RESPUESTAS ( 85+ )
Otras preguntas
before vacation, Sophie exchanged 300 american dolls for 378 new Zealand dollars. how many new Zealand dollars will she get for 50 american dollars?
The center on the basketball team scored 19 of the team’s 98 points. What percent of the points did he score?
A powdered drink mix calls for a ratio of powder to water of 1 : 8 if there are 32 cups of powder, how many total cups of water are needed ? Explain your reason
if 30 marks is 40% what is full marks
What is the answer for 0.5 (x+1)-1=0.2 And Steps?
Which is the subject of this sentence? For once in your life, try something new and exciting. A. life B. your C. an understood you D. something i know its
why did the continental congress make federal government weak when it drew up the articles of confederation
how do the pigs justify the fact that they are now sleeping in beds?
find the sale price if the markdown is 35% and the original price is $3.29
1. Greek and Roman legacies to the modern world include contributions to modern law and government. Briefly describe how modern law and government have been inf
