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
Neko [114]
3 years ago
13

What is the right answer for 9i x 2i?

Mathematics
1 answer:
nevsk [136]3 years ago
3 0
The correct answer is:   -18 .
________________________________________

 9i * 2i = 18 i² .
________________________________________
  " i " is an imaginary number equal to "√(-1) " .
  
  " i² " = [√(-1)] ² = √(-1) * √(-1) = -1 .
________________________________________
   18 * i²  = 18 * -1  =  -18 .
________________________________________

You might be interested in
What number goes in the box to make the equation true? Blank = 5/16 x 8/15
k0ka [10]

Answer:

n = 1/6

Step-by-step explanation:

<u>Step 1:  Make an expression</u>

n = 5/16 * 8/15

n = 40/240

n = 40/40 / 240/40

<em>n = 1/6</em>

<em />

Answer:  n = 1/6

5 0
4 years ago
Please help <br><br> This is a true or false question i’m just not smart
fiasKO [112]
It’s true i’m pretty sure
7 0
3 years ago
Read 2 more answers
What arenthe coordinates of the center of the circle whose equation is (x-9)^2+(y+4)^2=1
Nana76 [90]

Answer:

(9,-4)

Step-by-step explanation:

8 0
4 years ago
Simple question plz help.. 20 points. SHOW WORK/EXPLAIN
Y_Kistochka [10]

Answer:The answer are the red card(The second), A dependent event is an event that relies on another event to happen first.

Since he keep his first took red card,his probability to get another red card became lower,therefore it effects on what card he will take next.

the third one doesn't called a dependent event because it's a Dice,so the probability still the same

The fourth one doesn't count to,since he return back the marble.

3 0
3 years ago
A decimal number which ends after a finite number of digits after the decimal point
lapo4ka [179]

This is the definition of a rational number.

5 0
4 years ago
Other questions:
  • Using the quadratic formula to solve 7x2 – x = 7, what are the values of x? StartFraction 1 plus-or-minus StartRoot 195 EndRoot
    9·2 answers
  • The graph shows one of the linear equations for a system of equations. Which equation represents the second linear equation for
    5·1 answer
  • A 3-gallon jug of water costs $21.12. What is the price per cup?
    8·1 answer
  • Find a122 of the sequence 5, 8, 11
    6·1 answer
  • What are the solutions? 16x2 + 9 = 0 (1 point). .
    5·2 answers
  • 1 7/8 times 4/5 simplified!!!
    8·1 answer
  • Mississippi has the lowest median income at 40.6 thousand dollars. Mississippi also has about 207 bachelor’s degrees per 1,000 p
    5·2 answers
  • Evaluate the expression when z= -12<br> 1/2z^2
    8·1 answer
  • Convert 500 degree celsius to degree fahrenheit
    9·2 answers
  • Square root 11 +3 square root 11
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!