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Vaselesa [24]
3 years ago
8

Simplify ((–3)2)3.

Mathematics
2 answers:
omeli [17]3 years ago
7 0
<span><span>(<span><span>(<span>−3</span>)</span><span>(2)</span></span>)</span><span>(3)</span></span><span>=<span><span>(<span>−6</span>)</span><span>(3)</span></span></span><span>=<span>−<span>18</span></span></span>
Eva8 [605]3 years ago
3 0
-18 all you got to do is times it 

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What is the additive identity of rational number​
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Answer:

zero(0)

Step-by-step explanation:

The additive identity of a set of number is a number such that the its sum with any of the numbers in the set would give a result that is equal to the number in that set.

In other words, say for example the set of numbers is rational, the additive identity of rational numbers is 0. This is because, given any rational number say <em>x</em>, adding zero to the number <em>x</em> gives the same number <em>x. </em>i.e

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2 + 0 = 2

Since adding zero to rational numbers gives has no effect on the numbers, then zero (0) is the additive identity of rational numbers.

<em></em>

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Ksju [112]

Answer:

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Step-by-step explanation:

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Solution:

we are given that

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Now solve these two equations together using substitution as follows

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Hence there are 9 $1 bills and 5 bills are of $5.

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