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aksik [14]
2 years ago
7

For z = –3 – 5i, which graph shows z and the product of z · i?

Mathematics
1 answer:
earnstyle [38]2 years ago
3 0

Answer:

A

Step-by-step explanation:

z = -3 - 5i

z (i) = i (-3 - 5 i)

z (i) = -3i - 5i^2

z (i) = -3i - 5 (-1)

z (i) = -3i + 5

z (i) = 5 - 3i

Therefore, letter A is the correct answer.

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If a line segment contains one endpoint at (2,3) and has a midpoint of (-2,6) what is the second endpoint of the line segment
olchik [2.2K]

Answer:

Step-by-step explanation:

The coordinates of the midpoint M are the average of the coordinates of the two endpoints:

M_x = \dfrac{2+x}{2},\quad M_y = \dfrac{3+y}{2}

Plug the known coordinates of the midpoint:

-2 = \dfrac{2+x}{2},\quad 6 = \dfrac{3+y}{2}

Solve for x and y:

-4 = 2+x,\quad 12 = 3+y

x=-6,\quad y = 9

4 0
3 years ago
A polygon’s interior angles sum to 3600 degrees. How many sides does it have?
Sergeeva-Olga [200]

Answer:

5

Step-by-step explanation:

3 0
3 years ago
HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION!!!
mrs_skeptik [129]

Answer:

See below.

Step-by-step explanation:

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5 0
2 years ago
What is 2.161616 as a fraction?
Komok [63]

repeating fraction, nice

2.16161616...=2+0.16161616...
solve the repeating part
let's say x=0.16161616
2 places repeat, multiply x by 10^2 or 100
100x=16.161616

now subtract x from taht
100x-x=16.161616-0.16161616
the repeats cancel and we get
99x=16
divide both sides b 99
x=16/99

so
16/99=0.16161616...

2+16/99 is the fraction
if ya wanted 1 fraction then
2+16/99=
198/99+16/99=
214/99

2.161616=214/99
8 0
3 years ago
What is a y intercept
Tresset [83]

Answer:

Step-by-step explanation:

the y intercept is the y value of ur points when ur  line crosses the y axis. It is the initial value and is the output value when the input of a linear function is 0.

5 0
3 years ago
Read 2 more answers
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