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
sashaice [31]
3 years ago
7

If i= the square root of -1, what is the value of i to the 3rd power

Mathematics
1 answer:
serious [3.7K]3 years ago
3 0
I^3 = i^(2+1) = i^2 x i -1 x i = -i
You might be interested in
. (6.03) Which of the following best describes the expression 6(y + 3)? (4 points) The product of two constant factors six and t
kolezko [41]
C. The product of a constant factor of six and a factor with the sum of two terms. In this case, 6 is constant, and the sum of two terms is: y+3. Since they are products, you multiple them. Therefore C would be correct.
8 0
3 years ago
Please help me asap<br> Given the triangles are similar, find x.
Nadusha1986 [10]

Answer:

Uy

Step-by-step explanation:

7 0
2 years ago
Rearrange the equation A = xy to solve for x.
mote1985 [20]
X = A/y
You divide the y from both sides
The y on the right cancels
On the left you have A/y = x
5 0
3 years ago
Without actual division prove that x4 +2x3 -2x2 +2x -3 is exactly divisible by<br> x2 +2x-3
Brut [27]

Answer:

Step-by-step explanation:                

\displaystyle\Large\boldsymbol{} x^4+2x^3-2x^2+2x-3= \\\\\\x^4+2x^2(x-1)+2x-\underbrace{2-1}_{-3}=  \\\\\\x^4-1+2x^2(x-1)+2x-2 = \\\\\\(x^2-1)(x^2+1)+2x^2(x-1)+2(x-1) = \\\\\\\underline{(x-1)}(x+1)(x^2+1)+2x^2\underline{(x-1)} +2\underline{(x-1)} =\\\\\\(x-1)((x+1)(x^2+1)+2x^2+2)=\\\\\\(x-1)(x^3+x^2+2x^2+x+2+1)=\\\\\\(x-1)(x^3+3x^2+x+3) =\\\\\\(x-1)( \underline{(x+3)}x^2+\underline{(x+3)})=(x^2+1)\underbrace{(x-1)(x+3)}_{x^2+2x-3}= \\\\\\(x^2+1)(x^2+2x-3) : (x^2+2x-3)=x^2+1

7 0
3 years ago
Given f(x) = 3 and g(x) = cos(x). What is lim [F(x) - g(x)]?
Flura [38]

Answer:

4

Step-by-step explanation:

\lim_{n \to \ -\pi } (f(x) - g(x))\\\\ = \lim_{n \to \ -\pi } (3 - cos x)\\\\  = 3 - cos( - \pi) = 3 - cos(\pi)\\\\ = 3 - (-1) = 3 + 1 = 4

6 0
3 years ago
Other questions:
  • Imagine an investment with 3 possible outcomes. There's a 10% chance you'll LOSE the $1,000 you put in. There's an 80% chance yo
    13·1 answer
  • G(x)=-2/5x-2 inverse function with steps please​
    7·1 answer
  • Omg plz help me !!! And tell me all the angle measurements (offering 15 points ) :) oh and plz provide an explanation if u can
    12·1 answer
  • Louis and Ollie are pricing meat at a butcher shop. All of the meat packages are marked $12.99, and the weight, in pounds, of ea
    9·1 answer
  • Find the area of the smallest side of the right triangle. Show your work. Box your answer.
    11·1 answer
  • How do i figure this out???​
    11·1 answer
  • A nursery owner buys 7 panes of glass to fix some damage to his greenhouse. The 7 panes cost ​$17.85. ​Unfortunately, breaks 3 m
    8·1 answer
  • Please help me quickly !!
    12·1 answer
  • Quincy is having a sale at his store. He is selling a table for $450. If the sales tax is 8.5%, then how much will a customer ne
    14·1 answer
  • A family is having a pool built in their backyard. If their yard is rectangular and measures 10x by 10x and the pool is circular
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!