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alina1380 [7]
4 years ago
9

What is (-i)^5? A. 1 B. i C. -1 D. -i

Mathematics
2 answers:
zmey [24]4 years ago
8 0

Answer: D. -i

Step-by-step explanation:

Because....

  1. Apply exponent rule : ( -a )^n = -a^n, n is odd
  2. ( -i ) ^5 = i^5
  3. The final answer is i^5 or -i

* Hopefully this helps:) Mark me the brainliest:)!!

jenyasd209 [6]4 years ago
3 0

Answer:

I'm pretty sure that it's -i

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Which of the following is an equations of the line passing through the points (-1,4) and (1,2)
maxonik [38]

Answer:

y = -1x + 3 or y = -x + 3 (**That is the last option which is D**)

Step-by-step explanation:

You need to do slope-intercept formula and the slope formula.

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2 - 4/1- (-1)

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6 0
2 years ago
Why is the answer for #6 A?
alexandr1967 [171]
Remember that f(a) is the same thing as y just about. So the y value is -2. That's the flat part of the graph about. 

You need an x value that is along the flat part of the graph. 

The flat part goes from x = - 1 to x = 0

You need a value between 0 and - 1. The only value there that does that is B. 
I don't know why the answer was given to you as A. It is not correct. Sometimes questions are like that. There's just an error in them. Appeal it with your teacher.

B <<<<<< answer.
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3 years ago
Question 10 of 25
Amanda [17]

Answer:

A is the answer

Step-by-step explanation:

you have blue, 2 red, 2 blue then 1 red

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