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
madam [21]
3 years ago
14

Multiply and simplify: (1 - 5i)(1 -2i)

Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer:

-9-7i

Step-by-step explanation:

1) Use the FOIL Method : (a+b)(c+d)=ac+ad+bc+bd

1-2i-5i-10

2) Collect Like Terms

(1-10)+(-2i-5i)

3) Simplify

-9-7i

You might be interested in
The subtraction property of equality tells you that you can subtract the same value from ______ side of an equation to create an
jeyben [28]
The left side on the equation


3 0
3 years ago
Read 2 more answers
Together, Matthew and Daniel have 67 DVDs. Matthew's collection has 3 times as many DVDs as Daniel's collection. Write an algebr
ryzh [129]
<h3>Answer: 3x + x = 67</h3><h3>To solve: 4x = 67</h3><h3>                  /4.   /4</h3><h3>x = 16.75</h3><h3></h3>
8 0
3 years ago
Can you help me with answer please
alexandr402 [8]
The answer would be 15:3 :)
3 0
3 years ago
In determining the quality of the hats in a used-hat bin, a grandmother selects the first four hats she can reach. Which samplin
Sladkaya [172]
B convenience sampling because if it looks bad then she should throw it away but if it looks good then she should keep it 
3 0
3 years ago
(2+5xyz-6tv²c)-(11-5yxz-2ctv²)​
Effectus [21]

Answer:

-4ctv² + 10xyz - 9

Step-by-step explanation:

(2 + 5xyz - 6tv²c) - (11 - 5yxz - 2ctv²)

2 + 5xyz - 6tv²c - 11 + 5yxz + 2ctv²

-4ctv² + 10xyz - 9

I hope this helps!

5 0
2 years ago
Other questions:
  • Which cylinder pressure will Jillian need if she plans to fill 90 balloons?
    14·1 answer
  • What is true about an equation with infinite solutions?
    6·2 answers
  • 8 people went out to lunch. The total cost of the lunch was $70.51and the tip and tax together was 26%.Paproxiamately what will
    13·1 answer
  • 2x-3y = -2<br> X + 24 = 15
    8·1 answer
  • For all values of x,
    14·1 answer
  • 5x + 2 – 2(x - 1) = 3x + 4<br> PLS HELP !
    10·1 answer
  • Find the exact area of the surface obtained by rotating the curve about the y -axis. x=√a2−y2, 0≤y≤a/7
    14·1 answer
  • Which of the following numbers is irrational?
    7·2 answers
  • The graph of a linear function is shown on the
    12·1 answer
  • Six men take five days to complete a job. How long would<br> the same job take fifteen men?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!