1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
just olya [345]
2 years ago
13

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

Mathematics
1 answer:
Jobisdone [24]2 years ago
5 0

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

You might be interested in
Please help asap!!! 19 pts
wlad13 [49]
The correct answer is b

7 0
3 years ago
What is the correct way to write three hundred nine million, fifty-eight thousand, three hundred four? A. 390,580,304 B. 309,58,
Leni [432]
C. 309,058,304

Three hundred nine million is in the millions bracket; wherein, three is in the hundred million place and nine is in the one million place.

fifty-eight thousand is in the thousands bracket; wherein 0 is placed in the hundred thousand place, five is in the ten thousands place, and eight is in the one thousands place.

three hundred four is placed as such because three should be in the hundreds place, 0 is in the tens place, and 4 is in the ones place.

3 0
2 years ago
Read 2 more answers
Please help with this problem?!?
STALIN [3.7K]

Answer:

37.5%

Step-by-step explanation:

3/8=37.5%

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
Ryan earn $376 by working 4 days. If he earned the same amount each day, how much he earn working 5 days?
Over [174]
$469.


376/4 = 94.

Then add that too 346

94 + 346 = 469

3 0
3 years ago
Read 2 more answers
What is this I’m in a hurry please help :(
Nesterboy [21]
I'm pretty sure the answer is D bc it has the same coefficients and the same numbers
4 0
2 years ago
Other questions:
  • The perimeter of any rectangle is the sum of its lengths and widths. The area of any rectangle is the length l times the width w
    8·1 answer
  • Are there less than 1 million exactly 1 million or greater than 1 million miligrams in a kilogram?
    9·2 answers
  • The product of two numbers is 4235.If one number is 7,find the other number
    13·1 answer
  • The 8 students in Mrs. Clark's dass were asked how many minutes it takes them to get to school in the morning. Here is what they
    8·1 answer
  • Find the range of the function f(x) = 4x - 7,
    11·1 answer
  • How much more would the value of y be on the graph than its value
    14·1 answer
  • Can someone simplify
    7·1 answer
  • 3.8 x 10^7 + 2.6 x 10^7 ​
    12·1 answer
  • Sienna has $8 and is saving $3 per week. Jacob has $6 and is saving $4 per week. Which model represents the equation that can de
    14·2 answers
  • URGENT! WILL GIVE BRAINLY FOR CORRECT ANSWER
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!