3 years ago

Please help me I do not understand what to do

Mathematics

2 answers:

fgiga [73]3 years ago

7 0

Answer:

3 7/12

Step-by-step explanation:

There are 12 inches in 1 feet. So 43 inches would be 43/12=3 7/12 feet.

anyanavicka [17]3 years ago

3 0

What they said bleh

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<img src="https://tex.z-dn.net/?f=z%5E%7B7%7D%3D128i" id="TexFormula1" title="z^{7}=128i" alt="z^{7}=128i" align="absmiddle" cla

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If z ⁷ = 128i, then there are 7 complex numbers z that satisfy this equation.

$z^7 = 128i = 2^7i = 2^7e^{i\frac\pi2}$

$\implies z=\sqrt[7]{2^7} e^{i\frac17\left(\frac\pi2+2n\pi\right)}$

(where n = 0, 1, 2, …, 6)

$\implies z = 2 e^{i\left(\frac\pi{14}+\frac{2n\pi}7\right)}$

$\displaystyle\implies z = 2 \left(\cos\left(\frac\pi{14}+\frac{2n\pi}7\right)+i\sin\left(\frac\pi{14}+\frac{2n\pi}7\right)\right)$

3 0

3 years ago

May someone help me with this?

elena-14-01-66 [18.8K]

I am putting this into rows. Ex: row one has 0. row two has blank and seven.

1: 0

2: 9 7

3: - 9 6

4: 1 3

5: - 1 2

6: 1

So the answer on top would be 8 1 r 1.

5 0

3 years ago

Please help me I do not understand what to do​

Please help me I do not understand what to do