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
professor190 [17]
3 years ago
7

What is the sum of the complex numbers 2 + 3i and 4 + 8i, where i = −1 ?

Mathematics
2 answers:
kotykmax [81]3 years ago
8 0
-1, -4 because 2+3(-1)= -1 and 4+8(-1)= -4
ser-zykov [4K]3 years ago
5 0

Answer:

32 − 4i

Step-by-step explanation:

Apply the FOIL method.

(2 + 3i)(4 − 8i) = (2)(4) + (2)(−8i) + (3i)(4) + (3i)(−8i) = 32 − 4i

You might be interested in
Given: O is the midpoint of MN OM = OW<br> Prove: OW = ON
mafiozo [28]
Answer is in the attachment below.

3 0
3 years ago
Read 2 more answers
Please help!!<br>fully simplify<br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B300%7D%2B%5Csqrt%7B27%7D-%5Csqrt%7B
bija089 [108]

Answer:

The answer is 2

Step-by-step explanation:

Multiply the numerator and denominator by the conjugate.

6 0
3 years ago
Read 2 more answers
What is the answer. to.
nydimaria [60]
I believe it is (2) 60
7 0
3 years ago
|x+10|, if x=-12<br><br> Ahhhh I'm not sure how to do this
amm1812

Answer:

your answer is -2

Step-by-step explanation:

Hope helps

:3

6 0
3 years ago
Jack’s favorite sports drink comes in a 20-ounce bottle. the manufacturer of the sports drink requires a tolerance of 0.4 ounce.
Scrat [10]

Answer:

Answer:

Step-by-step explanation:

The manufacturer requires that the weight differs from 20 oz in at most 0.4 oz, therefore we can write this difference (which can be either above or below 20 oz, to be smaller than or equal to 0.4 oz.

The weight can be:

1) smaller than or equal to 20 oz + 0.4 oz:    then  

2) larger than or equal to 20 oz - 0.4 oz:    then  

and which combined, can be written as a double inequality;

This double condition can also be written using the absolute value symbol as:  

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • If the pair of inline skates is on sale for 35% off the regular price of $120 what is the sale price of the skates?
    7·1 answer
  • Help me with thi pls.
    5·1 answer
  • Which statement is true?
    15·1 answer
  • X^2+8x=20 Solve by completing the square
    12·1 answer
  • The slope of the line that contains the points (-2, 10) and (3, -5) is -3. What is the y-intercept?
    5·1 answer
  • Percentages are always out of 80
    11·1 answer
  • From a point on the ground, Geoff measures the angle of elevation of a 130m tower to be 36°. How far from the base of the tower
    7·1 answer
  • A pet store donated 50 lbs of food for adult dogs, puppies, cats to an animal shelter. 16 3/4
    6·1 answer
  • I WILL MARK BRAINLIEST please give steps
    6·1 answer
  • ANSWER FIRST=BRAINIEST
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!