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
3241004551 [841]
3 years ago
9

Simplify (–2 + 10i)(–2 – 10i)

Mathematics
2 answers:
lilavasa [31]3 years ago
8 0
(−2+10i)(−2−10i) =104
Mice21 [21]3 years ago
8 0

Answer:

104

Step-by-step explanation:

(-2 + 10i) (-2 – 10i)

Distribute using FOIL (first, outer, inner, last).

(-2)(-2) + (-2)(-10i) + (10i)(-2) + (10i)(-10i)

4 + 20i – 20i – 100i²

4 – 100i²

4 + 100

104

You might be interested in
A circular mirror has a diameter of 12 inches what is the are in square inches of the mirror?
pochemuha

The area of a circle is <u>(pi) x (the circle's radius)</u>²

The circle's radius is (1/2) of (its diameter).

Area = (pi) x (12/2 inches)² =

            (pi) x (6 inches)² =

           (3.14) x (36 square inches)  =  <em>113 square inches</em>  (rounded)


6 0
3 years ago
Nine subtracted from the product of 4 and a number is greater than -19
krok68 [10]

Answer:What’s the question-

Step-by-step explanation:9-4 and greater than -19? Oh 5 because 9-4=5 but it’s greater than -19 because -19 is a negative number.

5 0
2 years ago
Is 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
lions [1.4K]
No I don’t think so::::::::::.:::::::::::::::
3 0
3 years ago
explain whether the graph represents a function? make sure to explain, I need this by 9:00 and I'll mark brainliest:)​
san4es73 [151]

Answer:

This is not a function

Step-by-step explanation:

It does not pass the vertical line test

4 0
3 years ago
What is the equation of a line passing through the points (-4,3) and (-1,6)?(slope intercept form)
rosijanka [135]
(6 - 3)/(-1 +4)= 3/3= 1 is the slope

y - 3 = x + 4

y = x + 7
4 0
4 years ago
Other questions:
  • The diameter of the circle is 6 inches long. Using n=3.15, determine: A- the circumference of the circle B-the area of the circl
    12·1 answer
  • Which one of these has 6 as a factor 81,45,42,or56
    5·2 answers
  • Equation is y=mx+11, passes through (8'3)
    11·2 answers
  • A student moves into a bigger apartment that rents for $550 per month. That rent is $300 less than twice what she had been payin
    9·2 answers
  • 2nd term in expansion of (3y + x)3
    8·2 answers
  • Please help me !??!!!
    12·1 answer
  • Please answer fully and explain
    8·2 answers
  • Determine the value of x in the diagram?<br><br> A.32<br> B.10<br> C.20<br> D.16
    10·2 answers
  • A number is randomly selected from "&gt;{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
    6·1 answer
  • What is "compound interest"?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!