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egoroff_w [7]
3 years ago
11

Rewrite the expression in the form z^n

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

Answer:

{z}^{ \frac{1}{2} }

Step-by-step explanation:

\huge \sqrt[5]{ {z}^{4} {z}^{ -  \frac{3}{2} }  }  \\  \\  =  \huge \sqrt[5]{ {z}^{4 -  \frac{3}{2}  }  } \\  \\  =  \huge \sqrt[5]{ {z}^{ \frac{8 - 3}{2}  }  } \\  \\  =  \huge \sqrt[5]{ {z}^{ \frac{5}{2}  }  }  \\  \\  = \huge   {z}^{ \frac{5}{2}  \times  \frac{1}{5} }  \\  \\ = \huge   {z}^{ \frac{1}{2} }

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How many 3 letter codes are possible using a-j without repeats?
Dennis_Churaev [7]
There are 10 letters in the set {a, b, c, d, e, f, g, h, i, j} which is the pool of letters to choose from when making these three letter codes.

We have 10 choices for slot 1
Then 9 choices for slot 2. This is because we can't reuse the choice for slot 1
Then 8 choices for slot 3

Overall, there are 10*9*8 = 90*8 = 720 different permutations

Answer: 720

Note: you can use the nPr permutation formula with n = 10 and r = 3 to get the same answer
5 0
3 years ago
In a word processing document or on a separate piece of paper, use the guide to construct a two-column proof proving AC > EF
VARVARA [1.3K]

<em>Answer:</em>

Complete proof is written below.

Facts and explanation about the segments shown in question :

  1. As BC = EF is a given statement in the question
  2. AB + BC = AC because the definition of betweenness gives us a clear idea that if a point B is between points A and C, then the length of AB and the length of BC is equal to the length of AC. Also according to Segment addition postulate, AB + BC = AC. For example, if AB = 5 and BC= 7 then AC = AB + BC → AC = 12
  3. AC > BC because the Parts Theorem (Segments) mentions that if B is a point on AC between A and C, then AC > BC and AC>AB. So, if we observe the question figure, we can realize that point B lies on the segment AC between points A and C.
  4. AC > EF because BC is equal to EF and if AC>BC, then it must be true that the length of AC must greater than the length segment EF.

Below is the complete proof of the observation given in the question:

<em />

<em>STATEMENT                              REASON  </em>

___________________________________________________

1. BC = EF                                    1. Given

2. AB + BC = AC                         2. Betweenness

3. AC > BC                                   3. Def. of segment inequality

4. AC > EF                                   4. Def. of congruent segments

<em />

<em>Keywords: statement, length, reason, proof</em>

<em> Learn more about proof from brainly.com/question/13005321</em>

<em> #learnwithBrainly</em>

4 0
3 years ago
Hello i need help dose any one know what to do
lord [1]

Answer:

Add them up so ur answer can be right

7 0
3 years ago
I really need help ‼️
Sloan [31]

11

7

and 19

Hope this helps ya'll

5 0
3 years ago
Read 2 more answers
PLZ HELP !!!! WILL MARK BRAINLIEST, THIS IS DUE IN 15 MINUTIES !!!ANYONE PLEASEPLZ HELP !!!! WILL MARK BRAINLIEST, THIS IS DUE I
BartSMP [9]

the answer is c i know it is

8 0
2 years ago
Read 2 more answers
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