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
What is the circumference and the area of a circle with diameter 5 yd?
valina [46]
The circumference is  pi times 5.
So the circumference is 15.7
5 0
4 years ago
Car Value A family buys a car for 20,000The value of the car decreases about 20% each year. After 6 yr, the family decides to se
Advocard [28]

Answer:

No, the car is losing value not gaining it.

Step-by-step explanation:

3 0
3 years ago
Which of the following would be a good reason to place your money into a savings account? a. You can purchase stocks with a savi
mart [117]

Answer: B. a savings account earns interest

Step-by-step explanation: Money loses value over time as the rate of inflation increases. In this scenario, when you have some money to spare, the ideal is to seek some kind of investment that earns interest.

Saving is one such option. The money in savings earns interest and is highly liquid, meaning it can be used at any time. In addition, saving is a very...

8 0
3 years ago
The average of 4 numbers is 98. If 3 of the numbers are 86, 87, and 91, what is the 4th number?
astraxan [27]
Average of 4 numbers, if the numbers are x,y,z,t then the average is (x+y+z+t)/4=average so

average=98
if 3 of the numbers are 86, 87 and 91 then what is the fourth number
assign
x=86
y=87
z=unknown
91=t

(86+87+z+91)/4=98
do parenthasees first
(264+z)/4=98
multiply both sides by 4 to get rid of fraciton
264+z=392
subtract 264 from both sides
z=128

the fourth number=128
6 0
3 years ago
Question 5
TEA [102]

Answer:

probably (-2, 4)

Step-by-step explanation:

6 0
4 years ago
Other questions:
  • What is the lcm of 9, 45, and 81
    8·1 answer
  • What type of word a relationship does this analogy show
    8·2 answers
  • What should be the first step in adding these equations to eliminate y<br> 8x+3y= 2<br> + 4x-by=-7
    13·1 answer
  • 2. Write an inequality for each of the
    5·1 answer
  • What operation is shown when there is a number sitting infront of a variable?
    14·2 answers
  • PLEASE HELP! 17 POINTS!
    8·2 answers
  • A woman shoots her husband, then holds him underwater for five minutes. Next, she hangs him. Right after, they enjoy a lovely di
    15·2 answers
  • Quadrilateral WXYZ has vertices at the points W(-3,2), X(-1,3), Y(0,1), and Z(1,0). Find the slope of side xy.
    7·1 answer
  • A medical clinic is randomly selecting three staff members to attend a conference. The clinic employees include 7 nurses, 3 doct
    5·1 answer
  • Helpp!......PLEACE.......
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!