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EastWind [94]
3 years ago
6

Evaluate the following expression. (-3)-2 | ao

Mathematics
1 answer:
dmitriy555 [2]3 years ago
7 0

Answer:

6

Step-by-step explanation:

The parentheses mean to multiply, in this case, so -3 times -2 would equal 6.

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Write the complex number in polar form:
emmasim [6.3K]

9514 1404 393

Answer:

  2√30 ∠-120°

Step-by-step explanation:

The modulus is ...

  √((-√30)² +(-3√10)²) = √(30 +90) = √120 = 2√30

The argument is ...

  arctan(-3√10/-√30) = arctan(√3) = -120° . . . . a 3rd-quadrant angle

The polar form of the number can be written as ...

  (2√30)∠-120°

_____

<em>Additional comments</em>

Any of a number of other formats can be used, including ...

  (2√30)cis(-120°)

  (2√30; -120°)

  (2√30; -2π/3)

  2√30·e^(i4π/3)

Of course, the angle -120° (-2π/3 radians) is the same as 240° (4π/3 radians).

__

At least one app I use differentiates between (x, y) and (r; θ) by the use of a semicolon to separate the modulus and argument of polar form coordinates. I find that useful, as a pair of numbers (10.95, 4.19) by itself does not convey the fact that it represents polar coordinates. As you may have guessed, my personal preference is for the notation 10.95∠4.19. (The lack of a ° symbol indicates the angle is in radians.)

6 0
3 years ago
A.2.1<br> B.5<br> C.21.2<br> D.22.1
satela [25.4K]
The answer is  D. 22.1.
Hope this helps!! Have a good Day!!! :D
8 0
3 years ago
What is 5c-4c+c-3c and 3a+6+5a-2 and 8b+8-4b-3?
ELEN [110]

Answer: -c

8a+4

4b+5

Step-by-step explanation:

5c-4c+c-3c

c+c-3c

2c-3c

-c

3a+6+5a-2

8a+4

8b+8-4b-3

4b+5

6 0
3 years ago
B-10 &gt; 5; 14, 15, 16
torisob [31]
B = 16
explanation:
b-10 > 5
16-10 > 5
6 > 5
The other answer choices are less than or equal to 5
3 0
2 years ago
Is the following statment true or false? explain your reasoning <br> 15+ (4x6) = (15+4) x6
Levart [38]

Answer:foot

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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