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miv72 [106K]
1 year ago
14

Which decimal is equivalent to 13/11

Mathematics
2 answers:
Alex787 [66]1 year ago
6 0
1.181 is the decimal equivalent to 13/11
Elena-2011 [213]1 year ago
4 0
B because if you divide 13/11 you just get 1.181 repeating
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Match each of the following complex numbers with its equivalent expression.
Yanka [14]

Answer:

Therefore

i^{110}=-1

i^{92}=1

i^{245}=i

i^{347}=-i

Step-by-step explanation:

Complex Number :

A complex number is a number that can be expressed in the form

a + bi

where a and b are real numbers, and

' i ' is called an imaginary number.

The value of i is given as

i=\sqrt{-1}

Squaring both the side we get

i^{2}=(\sqrt{-1})^{2}\\\therefore i^{2}=-1

Therefore on substituting we get

For i^110

i^{110}=(i^{2})^{55}=(-1)^{55}=-1

Similarly for i^92

i^{92}=(i^{2})^{46}=(-1)^{46}=1

Similarly for i^245

i^{245}=(i^{2})^{122}\times i=(-1)^{122}\times i=1\times i =i

Similarly for i^347

i^{347}=(i^{2})^{173}\times i=(-1)^{173}\times i=-1\times i =-i

Therefore

i^{110}=-1

i^{92}=1

i^{245}=i

i^{347}=-i

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3 years ago
87.125 is it rational or irrational? Explain how.
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Answer:

87.125 is rational

Step-by-step explanation:

it is a rational number because it can be represented as a fraction

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