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Natalija [7]
3 years ago
14

What is the conjugate of 3 + 6i? A -3 - 61 B 3 - 6i C 3 + 6i D 9i

Mathematics
1 answer:
zhenek [66]3 years ago
7 0

Answer:

C.3-6

Step-by-step explanation:

Every complex number has a complex conjugate.

Examples is a+bi the conjugate is a-bi,if your adding the two conjugate its going to be 2a and if your subtracting the result is 2bi.And if multiplied it is seen as complex number which are a²+b²

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galben [10]

Answer:

c

Step-by-step explanation:

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3 years ago
What is the distance to the earth’s horizon from point P? Enter your answer as a decimal in the box. Round only your final answe
hammer [34]

Answer:

[Distance to the Horizon]^2 =Height of the skydiver x Diameter of the Earth

D^2 = 1.4 x 7918

D^2 = 11,085.2

D = Sqrt(11,085.2)

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Step-by-step explanation:

5 0
3 years ago
Is math<br><br> a. bad<br> b. bad<br> c. bad<br> d. all of the above
Elina [12.6K]

Answer:

D

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
The mean score on a set of 17 test is 72. Suppose two more students take the test and score 68 and 63. What is the new mean?
Masja [62]

Answer:

New mean=71.32

Step-by-step explanation:

The expression for the total initial score is;

T=M×S

where;

T=total initial score

M=mean score

S=number in the set

replacing;

T=unknown

M=72

S=17

replacing;

T=72×17=1,224

The total initial score=1,224

Determine the total score by;

total score=total initial score+total final score

where;

total initial score=1,224

total final score=(68+63)=131

replacing;

total score=1,224+131=1,355

Determine the new mean;

New mean=total score/new number

where;

total score=1,355

new number=(17+2)=19

replacing;

new mean=1,355/19=71.32

8 0
3 years ago
When the input of the function is -4 what is the output of the function
IceJOKER [234]

Answer:

The output is 5

Step-by-step explanation:

-4 is the input (x value). To find the output, you have to find where -4 is on the line. -4 is on the line when 5 is the y coordinate (output).

8 0
3 years ago
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