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
Arisa [49]
3 years ago
12

Simplify: (-1+4i)(-12-9i)

Mathematics
2 answers:
tia_tia [17]3 years ago
7 0
(-1+4i)(-12-9i)=(-1)(-12)+(-1)(-9i)+(4i)(-12)+(4i)(-9i)

= 12+9i-48i+36=48-39i
sergiy2304 [10]3 years ago
5 0
-1 (-12 - 9i) + 4i (-12 - 9i)

= 12 + 9i + -48i + 9i^2

= 9i^2 + 39i + 12
You might be interested in
10. Write the ratio as a fraction in simplest form.<br> 12 : 42
Pavel [41]

Answer:

2/7

Step-by-step explanation:

12 : 42 is the same as 12/42

simplify the fraction by dividing the numerator and denominator by 6

you get 2/7

8 0
3 years ago
Read 2 more answers
Will mark Brainlyest
Dima020 [189]

Answer:

10

Step-by-step explanation:

10 workers working 2 hours a day is 2*10=20 work hours per day

2 workers working 5 hours a day is 2 *5=10 work hours per day

Per day 1/2 as many work hours so will take 2 times as long.

5*2 = 10 days

7 0
3 years ago
Read 2 more answers
Evaluate:45/60+12/60-4/60
sdas [7]
Remember to incorporate Bimdas, into you calculation and ensure where the addition and subtraction occur you work from left to right.

3 0
3 years ago
Explain the term <br><img src="https://tex.z-dn.net/?f=%20%5Cmathbb%20%7B%5Cgreen%7Babolute%20%5C%3A%20%7B%20%5Cpink%7Bmeasure%7
Setler [38]

Answer:

<h2> abolute measure </h2>

  • it is quantity measured and same unit data and also as an original data it's is an original data expressed and unit of series

<h2>range </h2>

  • largest value difference to smallest value in data

<h2>Quartiles </h2>

  • it is an semi and half of range

<h2>mean </h2>
  • also as arithmetic mean as more deviation of range
3 0
2 years ago
Six times the quantity, x-2, is 24. Find the number, x.
pychu [463]

Answer:

x = 6

Step-by-step explanation:

Hope this helps!

=)

6 0
3 years ago
Read 2 more answers
Other questions:
  • Pls answer question 9
    14·1 answer
  • A fence is 20 feet long. It has posts at each end and at every 4 feet along its length. How many fence posts are there
    6·1 answer
  • Composite figures are two or more figures combined. When finding the surface area, you cannot simply find the separate surface a
    9·2 answers
  • What is an example of a GOOD that can be import or exported?
    14·2 answers
  • Kim is planting a border in her garden in Trail, BC. She plants 5 yellow daisies for every 3 red petunias. The ratio of daisies
    15·2 answers
  • The chart below shows the number of students in each grade who are members of the spirit club at Lone Star Middle School.
    8·2 answers
  • PLS SOMEONE HELP QUICK
    12·1 answer
  • A game increased in price by 1/2
    11·1 answer
  • Can someone match these in order correctly for me? Please do it in text not in images I can't see those as those are blocked for
    11·1 answer
  • Which is a better deal (assuming you like yoga and plan to go often)? Group of answer choices One yoga class for $14 A ten-class
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!