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
Sedaia [141]
4 years ago
12

Multiply -3i and it’s conjugate. Simplify.

Mathematics
1 answer:
Alex_Xolod [135]4 years ago
5 0

Answer:

-3 + 9i

Step-by-step explanation:

The conjugate of -3i is - 3 - i.

(- 3 i) × (- 3 - i)

Multiply both terms.

-3 + 9i

You might be interested in
3/5 divided by 21/25
Igoryamba

Answer:

0.71428571428

7 0
3 years ago
Read 2 more answers
What is the product of 180 and <br><br> 5.7×10^2<br><br> expressed in scientific notation?
DerKrebs [107]

The product of 180 and 5.7 x 10^2 is 1.026 x 10^5 (in scientific notation)

hope this helps!

6 0
3 years ago
Find the area, use 3.14 for pi
grigory [225]

Answer:

113.04

Step-by-step explanation:

The formula for the area of a circle is A=(pie)r²

So the equation is 3.14 x 6² = 113.04

8 0
3 years ago
3 (x - 2) = 7 – (4 - x)​
larisa [96]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x=92x=92

Decimal Form:

x=4.5x=4.5

Mixed Number Form:

x=412x=412

7 0
3 years ago
Read 2 more answers
10.The sum of first 16 terms of the AP: 10, 6 ,2, ....is
madam [21]

Answer:

<h2>               - 320</h2>

Step-by-step explanation:

a₁ = 10

a₂ = 6

d = a₂  - a₁ = 6 - 10 = -4

n = 16

a₁₆ = a₁ + (n-1)•d = 10 + (16-1)•(-4) = 10 - 60 = -50

S_{n}=\dfrac{a_1+a_n}{2}\cdot n\\\\\\S_{16}=\dfrac{10-50}{2}\cdot 16=-40\cdot8=-320

4 0
3 years ago
Other questions:
  • If a pack of 24 pencils cost $2.35 how much does a single pencil cost
    12·1 answer
  • There are 4 cupcakes in every package. Complete the table and then graph the situation
    7·1 answer
  • Which of the following is an undefined term in Euclidean geometry
    9·1 answer
  • 5% of what number is 12
    14·2 answers
  • Please explain how you got it
    7·1 answer
  • Find the value of x. Write your answer as a decimal.
    13·1 answer
  • The graph of a line passes through the points (0,2) and (6,0). What is the equation of the line?
    13·2 answers
  • If f(x)=3x+9,what is f−1(x)? 
    6·1 answer
  • The midpoint of ABis M (0,-7). If the coordinates of A are (-2,-6), what are the coordinates of B?
    7·1 answer
  • 5. Nathan wants to purchase electric drums from a music dealership in England. The drums cost £4000 and Nathan has saved R50 000
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!