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Aliun [14]
3 years ago
11

PLEASE HELL ME WITH THIS. I feel like I did it all wrong. I will choose brainliest

Mathematics
1 answer:
Ainat [17]3 years ago
8 0

Answer:

i good

Step-by-step explanation:

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I think 250 is the correct answer

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In 2010, Haiti was hit by a devastating earthquake which registered at 7.0 on the Richter scale. The largest recorded earthquake
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Find the cube roots of 8(cos 216° + i sin 216°).
Tomtit [17]
z^3=8(\cos216^\circ+i\sin216^\circ)
z^3=2^3(\cos(6^3)^\circ+i\sin(6^3)^\circ)
\implies z=8^{1/3}\left(\cos\left(\dfrac{216+360k}3\right)^\circ+i\sin\left(\dfrac{216+360k}3\right)^\circ\right)

where k=0,1,2. So the third roots are

z=\begin{cases}2(\cos72^\circ+i\sin72^\circ)\\2(\cos192^\circ+i\sin192^\circ)\\2(\cos312^\circ+i\sin312^\circ)\end{cases}
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3 years ago
Simplify this question please im really confused
Gemiola [76]

Answer:

option A

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\frac{x^a}{x^b} = x^{a-b} , z^0 = 1

So,

\frac{18x^5 y}{6xy^8z^0} = \frac{18}{6} \times x^{5 -1} \times y^{1-8} = 3 x^4 \times y^{-7} = \frac{3x^4}{y^7}

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Choose all the examples that can be measured using volume.?
gulaghasi [49]

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the amount of cereal in a box

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