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3 years ago

Which is NOT an example of the commutative property of addition?

Mathematics

1 answer:

sp2606 [1]3 years ago

3 0

Answer:

x - 13 = 13 - x

Step-by-step explanation:

The commutative property of addition is a+b=b+a

The third equation is the only one not following the rule. It states that a-b=b-a, whoich is not true.

For exaple, 2-1 is not equal to 1-2.

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120 is the same as 394 fewer than Z

SpyIntel [72]

Answer:

z=514

Step-by-step explanation:

120=z-394

+394. +394

514=z

Hope this helps

8 0

3 years ago

I need to use the method of elimination for this math problem.

Mumz [18]

Answer:

Step-by-step explanation:

____________

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3 0

3 years ago

Hunter had seven gallons of water in the refrigerator. Of those, two and one-fourth gallons were spring water and one and one-fi

Crank

Answer:

3 11/20

Step-by-step explanation:

Total gallons of water=7

Spring water=two and one-fourth gallon=2 1/4

Filtered water=one and one-fifth

=1 1/5

Spring water+filtered water=2 1/4 + 1 1/5

=9/4+6/5

= 45+24/20

=69/20

=3 9/20

How many gallons of water were not spring or filtered

=Total gallons- (spring+ filtered water)

=7-69/20

=140-69/20

=71/20

=3 11/20

5 0

3 years ago

I don't understand this at all, please help!

anastassius [24]

Answer:

hi dude

Step-by-step explanation:

7 0

3 years ago

A triangle has a base of 10 inches and a height of 12 inches.

Travka [436]

To find the area is base × hight
10 in × 12 in= 120 in2

6 0

3 years ago