121pepperstreet 121pepperstreet

04-05-2020
Mathematics

contestada

Simplify the expression: (4 − 7i) + (1 − 2i).

3 − 9i
3 − 5i
5 − 9i
5 − 5i

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shamrockhydraulic shamrockhydraulic

04-05-2020

Answer:

5-9i

Step-by-step explanation:

If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i. So the answer is 5-9i.

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17-11-2021

Answer:

5-9i

Step-by-step explanation:

I took the test

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