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
goblinko [34]
4 years ago
5

Simplify the expression (1-3i)(2+5i)-(3-12i). Show your work.

Mathematics
1 answer:
e-lub [12.9K]4 years ago
7 0

Answer:

  14 +11i

Step-by-step explanation:

The product of binomials is found in the usual way, except that i² = -1.

  (1 -3i)(2 +5i) -(3 -12i)

  = (1·2 +1·5i -3i·2 -3i·5i) -3 +12i

  = (2 +15 -3) +i(5 -6 +12)

  = 14 +11i

You might be interested in
Are same side interior angles congruent?
Fed [463]
Same side interior angles are not always congruent
6 0
4 years ago
Read 2 more answers
Which is the graph of f(x) = 100(0.7)x? On a coordinate plane, a curve approaches y = 0 in quadrant 1 and curves up into quadran
Stells [14]

Answer:

the answer is A on edge i took the test .

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Melia put the $30 her Grandmother gave her for her tenth birthday into her piggy bank. Each week after
Vladimir [108]
This is a sequence because the points form a straight line. The expression is: t(n) = 30 + 2x, x is number of weeks. On her 18th birthday, that is 8 years after her 10th. that means 416 weeks have passed since her 10th birthday. Plug 416 into the equation to get: t(416) = 30 + 2(416) = $862. She will have $862 to Spend.
3 0
4 years ago
Word Online will automatically save your document to what application?
Firdavs [7]

Answer:

Step-by-step explanation:

My documents

3 0
3 years ago
Read 2 more answers
In a survey of 2000 people, 50% of them visited the country A and 40% of them
denis23 [38]

Step-by-step explanation:

n (U)=2000

n (A)=50% of 2000

=(50÷100)×2000

= 1000

n( B) = 40%

= (40÷100)×2000

= 800

n(AuB)(compliment) = 15%

=(15÷100)×2000

=300

Venn diagram ta banauna aauxha holani

I hope you know how to make a Venn diagram.

Mark me as a brainliest

7 0
3 years ago
Other questions:
  • Two jets leave Dallas at the same time and fly in opposite directions one is flying west 50 mph faster than the other another tw
    9·1 answer
  • Factor completely<br> 3x²-48
    10·1 answer
  • Which statement about this product is true?
    7·2 answers
  • Use a model to find the quotient 3/ 3/4
    6·1 answer
  • Add. Write your answer in simplest form.<br> 1/2+2/3=<br> The sum is
    15·2 answers
  • What is the vertical asymptote of the rational function f(x) = 3x / (2x - 1)?
    9·1 answer
  • Please help and thank you
    12·2 answers
  • What value of X makes the equation true?<br><br> 12x-15=16-3x
    11·1 answer
  • // 5th Grade Math //
    10·2 answers
  • A warehouse owner wants to construct a ramp during
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!