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
garri49 [273]
3 years ago
13

Select the correct answer. Write (21 − 4i) − (16 + 7i) + 28i as a complex number in standard form. A. 5 + 39i B. 5 + 17i C. 5 −

39i D. 5 − 17i
Mathematics
1 answer:
Anastasy [175]3 years ago
8 0

Answer:

<em>b. 5 + 17i</em>

Step-by-step explanation:

You might be interested in
Each square on the grid represents 1 ft². What is the approximate area of this patch of grass? A. about 35 ft² B. about 40 ft² C
larisa [96]
A. about 35 ft I hope this helps you 
5 0
3 years ago
Read 2 more answers
Almonds cost $15.50 for 6 pounds. Find the unit rate. Round to the nearest cent if necessary.
Salsk061 [2.6K]
15.50 for 6 lbs......15.50/6 =  $ 2.58 per lb
4 0
3 years ago
A youth ice hockey game has 3 periods that are each 20 minutes long. Colin plays 12 minutes each period. Which ratio shows Colin
labwork [276]
The answer is 12:20.......................

4 0
3 years ago
Read 2 more answers
Calculate the new area using a scale factor of 3.
Ludmilka [50]

Answer:

315

Step-by-step explanation:

Using a scale factor of 3 basically means just multiply the length and the width by 3.

So instead of 5 * 7, we are doing 15 * 21.

15 * 21 = 315

8 0
4 years ago
Help and please make sure it’s right there is only 6 questions :(
olya-2409 [2.1K]

Answer:

answer is -5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Curium-242 was synthesized by bombarding an isotope with alpha particles,. Which equation shows this reaction?
    12·1 answer
  • Which undefined geometric term is described as a location on a coordinate plane that is designated by an ordered pair, (x, y)?
    6·1 answer
  • Please help. 25 points for answer
    15·1 answer
  • A line has the same slope as the line 3x+9y=5 and passes though the point (-1,2).what is the equation of the line?
    13·1 answer
  • Find the circumference of a circle with radius 63mm
    13·1 answer
  • How do you divide 16divide 320?
    7·2 answers
  • Which car can travel at the slowest rate? Plz help fast
    8·2 answers
  • What is the component form and magnitude of the
    5·2 answers
  • The volume of this cylinder is 175pi cubic units. What is the volume of a cone that has the same base area and the same height?
    11·2 answers
  • Y= <br> Help me please thanks
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!