3 years ago

What property is 3+7+0=3+7

1 answer:

5 0

This is Additive Property of Zero.You are adding zero and nothing changes.

This becomes a very useful tool later on in math. Say you want to "complete the square"; you have to abuse the Additive Property of Zero to do so. By using this Additive Property of Zero with varialbes, you do not change the original exprssion.

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80 hours of labor work 40 assistant 25 hr earn $22per hour 15 per hr. earn$10 how much labor

Vlada [557]

80 hr total
the assistants is not info
25 hr X $22 per = $500
15 hr X $10 = $150
$500 + $150 = $650
now for hr you have 80, you worked 25 + 15 = 40, 80 - 40 = 40
your answer is 40 --------------------------------------|^|
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Fynjy0 [20]

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3 years ago

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finlep [7]

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3 years ago

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Sedaia [141]

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3 years ago

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