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Mathematics

1 answer:

nalin [4]2 years ago

7 0

Yeah where is the questions?

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Find the quotient of 5+4i/6+8i , and express it in the simplest form

Sergio [31]

Remember: i² = -1

$\frac{5+4i}{6+8i}= \frac{(5+4i)(6-8i)}{(6+8i)(6-8i)}= \frac{30-40i+24i-32i^2}{36-64i^2}= \frac{30-16i-32(-1)}{36-64(-1)}= \\ \\ = \frac{30-16i+32}{36+64}= \frac{62-16i}{100}=0.62-0.16i$

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3 years ago

Which subset of the rational numbers best describes the dimension of a rectangle ?

Alinara [238K]

Either A or D I believe

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2 years ago

Two more than 16 times a number is the same as 21 less than the product of -7 and the number

slava [35]

Answer:

-1

Step-by-step explanation:

<u>Let the number be x, and we have equation:</u>

16x + 2 = -7x - 21
16x + 7x = - 21 - 2
23x = - 23
x = -1

The number is -1

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2 years ago

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What is the ratio of 5:3

Varvara68 [4.7K]

5:3

5 to 3

5/3

Is that what you are looking for?

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3 years ago

To add integers with the same sign

Mariana [72]

Arithmetic

-3-2=5

because

-3-2

-3 + -2

3 negatives + 2 negatives = 5 negatives

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2 years ago

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How to get the answer to this question