3 years ago

The product of (3 + 2i) and a complex number is (17 + 7i).

1 answer:

3 0

I= -1

for more information

 https://answers.yahoo.com/question/index;_ylt=A0LEVvfuKZ5YRFsAlWIPxQt.;_ylu=X3oDMTBybGY3bmpvBGNvbG8D...

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AfilCa [17]

Uhh 27 not really sure tbh

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3 years ago

Find all solutions to the equation. cos^2x + 2 cos x + 1 = 0

mixas84 [53]

$\cos^2(x)+2\cos(x)+1=0\\\\ (\cos(x)+1)^2=0\\\\ \text{So:}\\\\ \cos(x)+1=0\\\\ \cos(x)=-1\\\\ \boxed{x=\pi+2k\pi},~k\in\mathbb{Z}$

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3 years ago

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What is 2/3 by 4/5 in fraction

kondaur [170]

Answer: If you mean to multiply, the answer is 8/15.

Step-by-step explanation:

Multiply numerator by numerator and denominator by denominator.

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3 x 5 = 15

ANSWER: 8/15

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2 years ago

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Marizza181 [45]

Answer:

50-2.5t=w. no, the water will all have drained by then.

Step-by-step explanation:

2.5 per min so

min=t

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_____________________________________-

part 2,

2.5*30 = 75, and 50<75

this is impossible.

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3 years ago

Simplify using order of operations 9 divided by 3 + 4 times 3 divided by 6

Alchen [17]

Answer:

$5$

Step-by-step explanation:

$1. \: 3 + 4 \times 3 \div 6 \\ 2. \: 3 + 12 \div 6 \\ 3. \: 3 + 2 \\ 4. \: 5$

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3 years ago