subject
Mathematics, 13.11.2020 14:30 Camobarbie2367

5. Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number.
1. 2/5 +7/3+-4/5 +-1/3
2. 3/7+-4/9+-11 /7 +7/9
3. 2/5+8/3+-11 /15+4/5+-2/3
4. 4/7+0+-8/9-13/7+17/21

So important please tell me fast.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:10
The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?
Answers: 2
question
Mathematics, 21.06.2019 19:30
Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?
Answers: 2
question
Mathematics, 21.06.2019 23:00
The sum of 5consecutive even numbers is 100. what is the first number in this sequence?
Answers: 1
question
Mathematics, 21.06.2019 23:30
Graph the line with the given slope m and y-intercept b. m=-3,b=1
Answers: 1
You know the right answer?
5. Using commutativity and associativity of addition of rational numbers, express each of the follo...
Questions
question
Business, 18.03.2021 18:30
question
Chemistry, 18.03.2021 18:30
question
Mathematics, 18.03.2021 18:30
question
Mathematics, 18.03.2021 18:30
question
Mathematics, 18.03.2021 18:30
question
Chemistry, 18.03.2021 18:30
question
Advanced Placement (AP), 18.03.2021 18:30