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
g100num [7]
3 years ago
10

If i=Square root of -1, what is the value of i^3? A.-1 B.i C.1 D.-i

Mathematics
1 answer:
madam [21]3 years ago
8 0
 First we are going to reesribir the inaginario number:
 i = root (-1)
 i = (- 1) ^ (1/2)
 Then, we have to
 By properties of exponents:
 i ^ 3 = i ^ 2 * i
 Substituting the value of i:
 i ^ 3 = ((- 1) ^ (1/2)) ^ 2 * i
 Applying properties of exponents:
 i ^ 3 = ((- 1) ^ (1/2)) * ((- 1) ^ (1/2)) * i
 i ^ 3 = ((- 1) ^ ((1/2) + (1/2)) * i
 i ^ 3 = ((- 1) ^ ((2/2)) * i
 i ^ 3 = ((- 1) ^ (1) * i
 i ^ 3 = -1 * i
 i ^ 3 = - i
 Answer:
 D.-i

You might be interested in
Can someone help me with this. I tried to total all them up with 180 but none of the answers i got match the ones from the riddl
Vladimir79 [104]

Answer:

9. x=102

10. x=56

11. x=104

12. x=138

Step-by-step explanation:

9.  In this problem, they are alternate exterior angles, meaning they are the same value.  x=102

10.  x is a corresponding angle, meaning they are the same. x=56

11. There are consecutive interior angles. The sum of these two angles is 180. to find x, subtract 76 from 180.  180-76 = 104  x = 104

12. These two angles are verticle angles, meaning they are equivalent. x = 138

6 0
3 years ago
» A race car game takes 6 points from a player each
Elza [17]

Answer:

-60

It is -60 because if it takes away 6 points for each cone you hit and you hit 10, then it would be -60 times 10, which equals -60.

7 0
3 years ago
PLEASE HELP I don’t know what I’m doing lol
Svetradugi [14.3K]

Answer:

I would say soild 2 because is has the most even ammount of the 4.

7 0
3 years ago
Read 2 more answers
Can someone please answer this i Dont understand ​
Tcecarenko [31]
The answer is c.use pemdas❤️
8 0
2 years ago
Read 2 more answers
Wegnerkolmp or someone who can explain this to me
netineya [11]

Answer:

m<CDE=66 degrees.

Step-by-step explanation:

(1) Extend the segment DC so it intersects with line BA. Call the intersection F.

(2) Consider triangle BCF. In here, we are given m<ABC=24 deg. Since m<BCD = 90 deg, we known that m<BCF = 90 deg. Knowing two angles in the triangle BCF lets us determine the rhird angle m<BFC = 180-90-24 = 66 deg.

(3) Because of the fact that AB || DE and the fact that line DF intersects AB and DE, the angles <BFC and <CDE are congruent. Therefore m<CDE=66 deg.


3 0
3 years ago
Other questions:
  • Forty percent of students in a class of 35 students are the girls. How many girls are in the class?
    7·2 answers
  • Solve each system by substitution.
    11·1 answer
  • What number is to be multiplied with 1/3 to get 1/21
    13·2 answers
  • In circle with a 12-inch radius , find the length of a segment joining the midpoint of 20-inch chord and the center of the circl
    9·1 answer
  • The team won 5 out of 8 games if the team played 32 games how many did they win
    6·1 answer
  • How can I solve 2t+4w=6 + 4t +6w= 15 using elimination?
    13·1 answer
  • Divde the square roots of 121 by the product of the Square roots of 25 and 4
    8·1 answer
  • Ok for some reason when I search it it’s restricted so plz help ;-;<br><br> 5 + (-11) + (-11)
    13·2 answers
  • Ruth can run 157 yards in one minute. Lia can run 162 more yards than Ruth can run in one minute. How many yards can they both r
    11·1 answer
  • Please I need help asap
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!