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klasskru [66]
2 years ago
11

If complex number z = 3 Left-bracket cosine (StartFraction 3 pi Over 2 EndFraction) + I sine (StartFraction 3 pi Over 2 EndFract

ion) right-bracket, then complete the statements for z4.
The modulus of z4 would be


The coefficient in front of the argument (or angle) of z4 would be


ANSWER: 81

ANSWER: 4
Mathematics
2 answers:
amid [387]2 years ago
4 0

Answer:

b

Step-by-step explanation:

larisa [96]2 years ago
3 0

Answer:

81 4

Step-by-step explanation:

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Which expression represents the phrase the sum of twice a number and 7
bixtya [17]

Answer:

2n+7

Step-by-step explanation:

3 0
3 years ago
Write x^2 + 6x -7 in the form (x+a)^2 +b where a and b are integers please
ANTONII [103]

Answer:

(x + 3) {}^{2}  - 16

Step-by-step explanation:

{x}^{2}  + 6x - 7 = (x  + 3)  {}^{2}  - (3) {}^{2}  - 7 \\  = (x + 3) {}^{2}  - 16

3 0
3 years ago
I NEED HELP PLEASE! ;0
Fittoniya [83]

Answer:

4:6 or 2:3

Step-by-step explanation:

Since the ratio of mass of oxygen to carbon is 4:3, when there are two carbons the ratio will be 4:3*2=4:6=2:3. Hope this helps!

8 0
3 years ago
Rewrite in interval notation:<br> all real numbers that are greater than -22,
Naily [24]

Answer:

Step-by-step explanation:

all real numbers that are greater than -22 : x >  -22

interval notation: ]- 22 ; + ∞  [

3 0
3 years ago
Which represents the reference angle for 3pi/4?
inn [45]

Answer:

(c) Pi/4

Step-by-step explanation:

3pi/4 = (3 x 180) / 4 = 135 degrees

135 degrees is equivalent to (180 degrees - 135 degrees) 45 degrees

45 degrees = Pi/4

Therefore, the reference angle of 3pi/4 is Pi/4

Thus, the correct option is (c) Pi/4

8 0
3 years ago
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