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Anika [276]
3 years ago
15

Worth 50 Points!!

Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0
Hello There!

These statements are not equal. If you solve them, you will not get the same value.

Hope This Helps You!
Good Luck :)
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Find the fifth roots of 243(cos 260° + i sin 260°)
Charra [1.4K]
<span>use De Moivre's Theorem:

⁵√[243(cos 260° + i sin 260°)] = [243(cos 260° + i sin 260°)]^(1/5)

= 243^(1/5) (cos (260 / 5)° + i sin (260 / 5)°)

= 3 (cos 52° + i sin 52°)

z1 = 3 (cos 52° + i sin 52°) ←← so that's the first root


there are 5 roots so the angle between each root is 360/5 = 72°

then the other four roots are:

z2 = 3 (cos (52 + 72)° + i sin (52+ 72)°) = 3 (cos 124° + i sin 124°)

z3 = 3 (cos (124 + 72)° + i sin (124 + 72)°) = 3 (cos 196° + i sin 196°)

z4 = 3 (cos (196 + 72)² + i sin (196 + 72)°) = 3 (cos 268° + i sin 268°)

z5 = 3 (cos (268 + 72)° + i sin (268 + 72)°) = 3 (cos 340° + i sin 340°) </span>
3 0
3 years ago
There are 54 students in the cafeteria 30 girl sand 24 boys what is the ratio of girls to boys in cafeteria
tresset_1 [31]
The answer is 5 :4

please mark as brainliest thanks'!!!
3 0
3 years ago
Can someone please answer. There is a picture. It is only one question. Thank you so much!
muminat
So you need getting the coordinates of center of the circle x and y 
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8 0
3 years ago
Find the area of the circle below???
olga55 [171]

Answer:

Area of the circle = 24.618\,feet^2

Step-by-step explanation:

Radius of the circle= 2.8\,feet

Area of the circle= \pi \times r^2

As,

      \pi =\dfrac{22}{7} =3.14

Area of the circle is:

                 =3.14\times 2.8 \times 2.8\\\\= 3.14 \times 7.84\\\\=24.618\,feet^2

The Area of the circle is : 24.618\,feet^2

5 0
3 years ago
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Raise c to the 8th power!​
Agata [3.3K]

Answer:

c^8

Step-by-step explanation:

5 0
3 years ago
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