Any help out there? Again.. Can't understand these.?

Question

Complete the statements using
(a) Distributive property
(b) Commutative property of addition
(c) Commutative property of multiplication

1. 6*(5+6)=

2. 5+(6+7)=5+(7+6)

3. 4*(3+2)=(3+2)*4

Answer 1

ok, well whenever there are problems in parenthetical phrases they must be completed first..so in problem a you must first add the parenthetical phrase then multiply..so your answer is now 6(11) or 66. For be its the same thing...5 + (6+7) is now 5 + 13, which then equals 18. Same for the other side of the equation and you then get 18=18. For c its also the same, instead of 4(3+2) its not 4(5) which equals 20...same for both sides.

Answer 2

Ok, so I am not a math teacher, however, I am a high school special education teacher, so I am pretty sure that I am answering this correctly.

1. should be distributive property, meaning that you carry the 6 through the parentheses by multiplying, 6*5+6*6= 30+36=66

2. should be commutative property of addition, because that property states that so long as there are addition signs, you can switch the order of the numbers and still have the same problem, 5+6+7= 18 is the same as 5+7+6= 18. The parentheses don't really do anything in this problem, because all of the signs are addition.

3. should be commutative property of multiplication because that property states that factors can be multiplied in any order and still give the same product, 4*(3+2)= 4*5=20 is the same as (3+2)*4= 5*4=20.

I hope this helps.

Answer 3

1. 6*(5+6)=6*5+6*6 [Distributive property]

2. 5+(6+7)=5+(7+6) [Commutative property of addition]

3. 4*(3+2)=(3+2)*4 [Commutative property of multiplication]

Answer 4

1.
a) (6*5)+(6*6)=66
b) 6*(6+5)=66
c) (5+6)*6=66

2.
a) 5+(13)=5+(13) 18=18
b) 5+(7+6)=5+(6+7) 18=18
c) none

3.
a) (4*3)+(4*2)=(4*3)+(4*2) 24=24
b) 4*(2+3)=(2+3)*4 24=24
c) (3+2)*4=4+(2+3) 24=24

sry it took so long

Answer 5

1. 6x(5+6)==30+36 (a)
2.5+(6+7=5+(7+6))=18(b)
3.4*(3+2).=(3+2)*4=20(c)

Answer 6

http://www.algebrahelp.com/lessons/simplifying/distribution/

http://www.harcourtschool.com/glossary/math_advantage/definitions/comm_add8.

http://www.multiplication.com/basics/teach2.htm


And B is saying you can add 1+2 and get 3 or 2+1 and get 3 its the same thing

And C is saying you can multiply 2*3=6 and do it the other way and get 3*2=6

Answer 7

distributive:6*(5+6)=6*5+6*6
commuattive of addition:a+(b+c)=(a+b)+c=a+(c+b)[either way]
similar for multiplication

Answer 8

a-1
b-2
c-3