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labwork [276]
3 years ago
10

Which of these statements describes a parallelogram? A. a regular quadrilateral B. a regular polygon C. a quadrilateral with one

pair of parallel sides D. a quadrilateral with two pairs of parallel sides
Mathematics
1 answer:
valentinak56 [21]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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Answer:

The answer is -22

Step-by-step explanation:

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I am happy to assist :)

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What is the value of i 97 – i?<br> –i<br> 0<br> –2i<br> i Superscript 96
Valentin [98]

<em>The question is not clearly readable, but I'm assuming the expression which makes more sense, so you can have a clue</em>

Answer:

i^{97}-i=0

Step-by-step explanation:

<u>Powers of The Imaginary Unit</u>

The imaginary unit i is defined as

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The first powers of i are

i^0=1

i^1=i

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

i^3=i.i^2=-i

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And so on the cycle repeats every four numbers. To find the value of i^{96} we can find the remainder of 96/4=0. So i^{96}=i^0=1

The given expression is

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Factoring

i(i^{96}-1)

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The required value is 0

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3 years ago
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A circle has a diameter of 6 centimeters what is the approximate area of the circle​
KiRa [710]

Answer:

28.26 cm^{2}

Step-by-step explanation:

The radius is half of the diameter. 6/2 = 3, so the radius of this circle is 3 cm.

The formula for the area of a circle is: πr^{2}

Plugging 3 into the radius, we have:

3^{2} × π =

9 × π

We can round π to 3.14

9 × 3.14 = 28.26

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3 years ago
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