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anyanavicka [17]
2 years ago
5

7-8th grade math level

Mathematics
1 answer:
Ne4ueva [31]2 years ago
7 0

Answer: Let me try to figure this out but this is not 7-8 grade math level

Step-by-step explanation:

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Given z1 = -3
trasher [3.6K]

Answer:

See explanation

Step-by-step explanation:

The given complex number are:

z_1=-3\sqrt{3}+3i

and

z_2=6\cos 150\degree+6i\sin 150\degree

When we rewrite z_1=-3\sqrt{3}+3i in complex form, we obtain;

z_1=r(\cos \theta+i\sin \theta)

where

r=\sqrt{(-3\sqrt{3})^2+3^2 }=\sqrt{36}=6

and

\theta=tan^{-1}(\frac{y}{x})

\implies \theta=tan^{-1}(\frac{-3\sqrt{3}}{3})=150\degree

Hence,

z_1=6(\cos 150\degree+i\sin 150\degree)

z_1=6\cos 150\degree+6i\sin 150\degree

Hence

z_1=z_2

8 0
3 years ago
which set of numbers is the most reasonable to describe a persons hat size irrational numbers, whole numbers, rational numbers,
gavmur [86]
For this item, i go with letter D. Rational. The hat size cannot be integers as it includes negative numbers. For instance the person's hat size is 7 + 5/8 which leads to an answer of 7.625. That is a rational number. 

if this is the correct answer can i get most brainliest

5 0
3 years ago
Read 2 more answers
Given sets X, Y, Z, and U, find the set Xn(X - Y) using the listing method.
Aliun [14]

Answer:

{f, a}

Step-by-step explanation:

Given the sets:

X = {d, c, f, a}

Y = {d, e, c}

Z ={e, c, b, f, g}

U = {a, b, c, d, e, f, g}

To obtain the set X n (X - Y)

We first obtain :

(X - Y) :

The elements in X that are not in Y

(X - Y) = {f, a}

X n (X - Y) :

X = {d, c, f, a} intersection

(X - Y) = {f, a}

X n (X - Y) = elements in X and (X - Y)

X n (X - Y) = {f, a}

6 0
3 years ago
Without dividing or listing multiples how can u tell if 61 is a multiple of 6
RUDIKE [14]
yyou can do 61 ÷6 and that answer you get will equal 61
7 0
2 years ago
You invested $2,300 in a stock. Your account now has a value of $2,643. Your percentage gain on the investment (rounded to the n
solong [7]
I hope this helps you

7 0
3 years ago
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