30+5z+5z=180 what is the value of z
2 answers:
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Answer:
The answers are as follows:
5.
7.
9.
Step-by-step explanation:
<u>5. 12 and 3</u>
Commutative property of addition states that the order of two numbers in addition doesn't matter; the result will be the same. If a and b are two numbers then the property will be:
a+b = b+a
For the given question, the commutative property will be:
Associative property deals with three numbers or variables. It states that when 3 numbers are being added or multiplied their order doesn't affect the result.
It can be stated as:
(a+b)+c = a+(b+c)
<u>7. 6,4 and 8</u>
The associative property will be:
<u>9. 10,5 and 7</u>
Hence,
The answers are as follows:
5.
7.
9.