nicolasbball nicolasbball

21-01-2021
Mathematics

contestada

What is the sum of 12 – 5i and –3 + 4i?

A. –16 + 63i
B. 9 – i
C. 9 – 9i
D. 15 – 9i

Respuesta :

brycelaw318 brycelaw318

21-01-2021

Answer:

B. 9 - i

Step-by-step explanation:

Combine the real and imaginary parts in numbers 12 - 5i and -3 + 4i

(12 + 5i) + (-3 + 4i)

12 - 3 + (-5 + 4)i

Add 12 to -3. Add -5 to 4.

9 + (-i)

9 - i

Answer Link

Otras preguntas

You are using Windows 10 and you have created a file with called “my text” in notepad with a .txt extension type. You need to change the extension type from .tx

At 600.0 k the rate constant is 6.1× 10–8 s–1. what is the value of the rate constant at 785.0 k?

WILL MARK BRAINLIEST!!! What is NOT TRUE about a logical fallacy? Fallacies lack evidence that supports their claim. Fallacies are common errors in reasoning.

PLEASE HELP 7.05a 1. Find the first six terms of the sequence. a1 = -6, an = 4 • an-1 A) 0, 4, -24, -20, -16, -12 B) -24, -96, -384, -1536, -6144, -24,576 C

In humans excess glucose is stored as the polysaccharide known as

Anyone know how to do this

what type of sentence is this? the frightened dog ran home. A.run-on B.compound C.simple D.complex

The two triangles are similar. What is the value of x? Enter your answer: x =

The intelligence test scores of today's better-fed population ________ the scores of the 1930s population

The volume of a prism changes from 20 to 540 after a dilation. What was the scale factor of the dilation? 3 9 27 520