Homework answers / question archive / Question 21 1 / 1 pts Find the least common multiple of 5 and 9

Question 21 1 / 1 pts Find the least common multiple of 5 and 9

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Question 21

1 / 1 pts

Find the least common multiple of 5 and 9.

 

Question 22

1 / 1 pts

Find the least common multiple of 10 and 6.

Question 23

2 / 2 pts

Add. Simplify your answer as necessary.
1 8 + 3 7

  

4 154 154 154 15

  

3 563 563 563 56

  

31 5631 5631 5631 56

  

− 17 56− 17 56− 17 56− 17 56

 

Question 24

2 / 2 pts

Add. Simplify your answer as necessary.
6 11 + 4 7

  

5 95 95 95 9

  

24 7724 7724 7724 77

  

− 2 77− 2 77− 2 77− 2 77

  

86 7786 7786 7786 77

 

Question 25

2 / 2 pts

Add. Simplify your answer as necessary.
5 4 + 1 5

  

29 2029 2029 2029 20

  

2 32 32 32 3

  

1 41 41 41 4

  

21 2021 2021 2021 20

 

Question 26

2 / 2 pts

Subtract. Simplify your answer as necessary.
1 6 − 3 7

  

− 11 42− 11 42− 11 42− 11 42

  

− 4 13− 4 13− 4 13− 4 13

  

− 1 14− 1 14− 1 14− 1 14

  

− 25 42− 25 42− 25 42− 25 42

 

Question 27

2 / 2 pts

Subtract. Simplify your answer as necessary.
6 7 − 1 2

  

7 97 97 97 9

  

3 73 73 73 7

  

5 145 145 145 14

  

19 1419 1419 1419 14

 

Question 28

2 / 2 pts

Subtract. Simplify your answer as necessary.
3 5 − 3 8

  

9 409 409 409 40

  

6 136 136 136 13

  

− 9 40− 9 40− 9 40− 9 40

  

39 4039 4039 4039 40