2 years ago

(- 9 - 7i ) + (16 +5 i)

Mathematics

1 answer:

Pachacha [2.7K]2 years ago

8 0

Answer:

7 - 2i

Step-by-step explanation:

Here we have two complex numbers and wish to combine them. Complex numbers have real and imaginary parts. We sum up the real parts and the imaginary parts separately:

-9 - 7i

+16 + 5i

------------

7 - 2i This is the sum of -9 -7i and 16 + 5i.

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Please help ! The choices are 11 65 8 44 :)

stich3 [128]

31% = Roses - 0.31(72) = 22.32 [Rounded - 22]
21% = Daises - 0.21(72) = 15.12 [Rounded - 15]
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12% = Carnations - 0.12(72) = 8.64 [Rounded - 9]
18% = Tulips - 0.18(72) = 12.96 [Rounded - 13]

Your answer is: 8

6 0

3 years ago

I need answers for this.

WARRIOR [948]

Answer:

18, 24, 8, 3

Step-by-step explanation:

8a = 42 - 18

8a = 24

a = 24 / 8

a = 3

To check, plug 3 into the equation