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
ra1l [238]
3 years ago
8

Which expression is the equivalent to (4+7i)(3+4i)

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0

Answer:

-16 + 37i

Step-by-step explanation:

First expand.

You get 12 + 16i + 21i + 28i^2.

Because i=\sqrt{-1}, you get 12 + 37i - 28 or -16 + 37i. \blacksquare

You might be interested in
Can somebody help me with this please??
MAVERICK [17]

Answer:

4

1

5

Step-by-step explanation:

make me brainless ty

3 0
3 years ago
Read 2 more answers
Pleas help me if you can
Helga [31]
Just use the word bank to fill in the blanks. Each letter they give you in the picture is the beginning of the words. So the first one to the left is a C______ and f_____ that would be Cold front.  Do the same for the others.
6 0
3 years ago
PLEASE HELP FAST
Juliette [100K]

Answer:

120 ft ^2

Step-by-step explanation:

Volume= lwh

Volume= 16(3)(2 1/2)

Volume= 120 ft^2

5 0
4 years ago
Read 2 more answers
The benchmark used to compare 9/8 and 11/12
olga nikolaevna [1]

Answer:

99/96

i hope is the answer


Step-by-step explanation:


7 0
4 years ago
Read 2 more answers
As an estimation we are told £3 is €4.<br> Convert £10.50 to euros.
Zielflug [23.3K]
£10.50=10.01 euros
Ok
5 0
2 years ago
Other questions:
  • Please help me with # 61 and 62
    13·1 answer
  • What combination of transformations is shown below?
    13·1 answer
  • I need help for the solution​
    15·1 answer
  • A store has apples on sale for $9.00 for 6 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $54.00
    15·1 answer
  • You have 666 reindeer, Prancer, Rudy, Balthazar, Quentin, Jebediah, and Lancer, and you want to have 333 fly your sleigh. You al
    9·1 answer
  • I need help with 6 + 5× = 44
    14·2 answers
  • Linear or non-linear?​
    11·1 answer
  • HELP PLEASEEEEEE<br><br> simplify cos^2 θ(1+tan^2 θ)
    8·1 answer
  • A caterer charges a $5,000 fee plus an additional $6,250 per person. Which equation can
    9·1 answer
  • 2. Factorise: a - b - a + b2.square ​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!