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Troyanec [42]
3 years ago
11

Consider the equation 1.5 x plus 4.5 y equals 18.

Mathematics
1 answer:
Otrada [13]3 years ago
6 0
1.5x will be the very answer
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NEED HELP PLEASE!
USPshnik [31]

Answer:

(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16

Step-by-step explanation:

Complex numbers identity:

The complex numbers identity is:

i^2 = -1

Square of the sum:

(x + y)^2 = x^2 + 2xy + y^2

In this question:

(x + (3+5i))^2

x^2 + 2x(3+5i) + (3+5i)^2

x^2 + 6x + 10xi + 9 + 30i + 25i^2

x^2 + 6x + 9 + (10x+30)i - 25

x^2 + 6x + (10x+30)i - 16

So

(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16

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Answer:

That equation doesn't make sense, so this equation means "no solution"

Step-by-step explanation:

3 0
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I need help on #3 please!
ad-work [718]
The answer is whole
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Pachacha [2.7K]

Answer:

b.) because it is over 90*

Step-by-step explanation:

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