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lisabon 2012 [21]
3 years ago
6

I really need help please

Mathematics
1 answer:
expeople1 [14]3 years ago
7 0
I have no idea I just need more points so I can ask more questions
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What is the polar form of -3+ v3i?
Softa [21]
  • z=-3+√3i
  • a=-3,b=√3

So

\\ \rm\Rrightarrow r=\sqrt{a^2+b^2}

\\ \rm\Rrightarrow r=\sqrt{(-3)^2+(\sqrt{3})^2}

\\ \rm\Rrightarrow r=\sqrt{9+3}

\\ \rm\Rrightarrow r=\sqrt{12}

\\ \rm\Rrightarrow r=2\sqrt{3}

Find theta

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{y}{x})

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{\sqrt{3}}{3})

\\ \rm\Rrightarrow \theta=tan^{-1}(\dfrac{-1}{\sqrt{3}})

\\ \rm\Rrightarrow \theta=\dfrac{5\pi}{6}

Polar form

\\ \rm\Rrightarrow r(cos\theta+isin\theta)

\\ \rm\Rrightarrow 2\sqrt{3}(cos\dfrac{5\pi}{6}+isin\dfrac{5\pi}{6})

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2 years ago
Consider the quadratic function f(y) = 8y2 – 7y + 6. What is the constant of the function?
Paraphin [41]
The constant of the function would be 6.
Hope this helps!
5 0
3 years ago
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How to translate a graph of y= absolute value of x to obtain the graph of y= absolute value of x-6
vladimir2022 [97]

Answer: Translate the graph of y=|x| 6 units to the right.

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2 years ago
Given a1=4, find the term of the recursivr sequence using: a=2an-1
LenaWriter [7]
So, basically substitute as many times as they tell you (I don;t see it):

a1=4, a2=2*4-1=7, a3=2*7-1=13, ... As you see it grows up pretty quickly so that's why I think your statement may be missing how many times.
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2/3 of the product of 3/8 and 16
QveST [7]
2/3 of the product of 3/8 and 16 is 4
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4 years ago
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