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Artemon [7]
2 years ago
12

Classify each number below as a rational number or an irrational number. rational irrational

Mathematics
2 answers:
Vadim26 [7]2 years ago
6 0
Rational
Irrational
Rational
Rational
Irrational
puteri [66]2 years ago
4 0

-√25    rational

\frac{14}{19}          irrational

9π        irrational

2√2     irrational

87.39... rational

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What is the additive inverse of the complex number –8 + 3i?
Lady bird [3.3K]
Choices:
–8 – 3i
–8 + 3i
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<span>8 + 3i

The additive inverse of the complex number a + bi is -(a+bi) = -a - bi

In this case, a = -8 and b = 3i

a + bi = -8 + 3i
additive inverse is:  -(-8+3i) = +8 - 3i

The additive inverse of the complex number -8 + 3i is 8 - 3i. The 3rd choice.


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5 0
3 years ago
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P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?
satela [25.4K]

Answer:

P( A U B) = 37/50

Step-by-step explanation:

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7 0
3 years ago
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Trina's science club is building bluebird houses to put in the local park. For the first 1/6 dozen bird houses, Trina finds that
meriva

<u>Answer:</u>

4.5 foot is needed for a unit dozen bird house

<u>Explanation:</u>

Given Tina saw ¾ foot of wooden trim is being used for  first 1/6 dozen bird houses

Therefore, we can write as,4

1/6 dozen = ¾ foot

For 1 dozen bird houses, we have to use the unitary method

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Therefore, 4.5 foot is needed for a unit dozen bird house

3 0
3 years ago
Micheal is 3 times as old as Brandon. 18 years ago, Micheal was 9 times as old as Brandon.
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Step-by-step explanation:

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