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never [62]
3 years ago
10

Write in standard form:

%7D%7B2%7Di%29%5E%7B4%7D" id="TexFormula1" title="(\frac{\sqrt{2}}{2} + \frac{\sqrt{2}}{2}i)^{4}" alt="(\frac{\sqrt{2}}{2} + \frac{\sqrt{2}}{2}i)^{4}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

=(\frac{1}{\sqrt{2}}(1+i))^4\\=\frac{1}{4}(1+i)^2(i+i)^2\\=\frac{1}{4}(2i)(2i)\\=i^2\\=-1

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if the ratio of similarity of the figures above is 2/3, then what is the ratio of the perimeters of the two figures?
Mademuasel [1]

Perimeter = side 1 + side 2 ´+ side 3.

Triangle 1

Perimeter = 6 + 8 + 10

= 24

Triangle 2

Perimeter = 9 + 12 + 15

= 36

Ratio

24/36 = 2/3

The ratio of the perimeters is also 2/3

5 0
1 year ago
This is the one!!!!!!!!!!!
sukhopar [10]
All you have to do is move the denominator on the other side, by multiplying.

a-10
------- = -9  
20 

multiply 20 x -9
= -180

then it becomes a-10=-180
                             +10  +10
a=-170
4 0
3 years ago
Read 2 more answers
What is |-8|<br> 0-16<br> O 8<br> O 8<br> O 16
tangare [24]
Answer
8

Explanation

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7 0
3 years ago
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Reptile [31]

Answer: X is 15. N is 100

6 0
3 years ago
Marcia has $84 less than three times as much as sue. together they have $132. how much money does marcia have?
Brut [27]
Let x = sue
and then let 3x-84 = marcia
therefore
(x)+(3x-84)=132
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however just solving for x doesnt completely solve. it only shows sues money because x = sue
for marcia
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5 0
3 years ago
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