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Cloud [144]
3 years ago
8

What is the inverse property of the complex number 9-4i

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

when added to the original number, would equate to zero. Another term this may be known as is the additive identity. The additive inverse is simply:

(a + bi) = -(a + bi)

Given: 9 - 4i

-(9 - 4i) = -9 + 4i

Therefore, the answer is B.

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Find the area of the figure. Use 3.14 for pie . Round your answer to the nearest tenth.
gizmo_the_mogwai [7]

Answer:

538.3

Step-by-step explanation:

First of all find the area of the rectangle

L*W

15*30

450

Now find the area of semi circle

1/2\pi r^{2}

Since radius is half a diameter divided 15 by 2=7.5

1/2\pi 7.5^{2}                            7.5 times 7.5= 56.25

1/2*3.14*56.25

56 times 3.14 is 176.625 now multiply 176.625 by 1/2

Answer is 88.3125

Now add 450 to 88.3125

Final answer: 538.3125

7 0
3 years ago
N + 1 - 3N = 9 - N (IN A TEST)
rjkz [21]

Answer:

N= -8

Step-by-step explanation:

a

8 0
2 years ago
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A rectangle is enlarged by a factor of 6.<br> What is the area of the enlarged rectangle.
guajiro [1.7K]

Answer:

A. 120 in.

Step-by-step explanation:

Just multiply the two numbers.

7 0
3 years ago
Could someone help me for 96 points
frutty [35]
A is .5
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