3 years ago

Point A (-2-10) is reflected over the x axis write the coordinates of A

1 answer:

7 0

The answer is (-2, 10) because when reflecting over the x, change the sign of y. When reflecting over the y, change the sign of x.

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Pie

C I need to put 20 letters so yea the answer is C

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3 years ago

kirza4 [7]

Answer:

e= 25.63

Step-by-step explanation:

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3 years ago

ira [324]

Answer:

C) 4

Step-by-step explanation:

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3 years ago

lukranit [14]

Use a calculator its 5

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3 years ago

Norma-Jean [14]

This is easily done after writing both complex numbers in exponential form:

$z_1=20\,\mathrm{cis}226^\circ=20e^{226^\circ i}$

$z_2=5\,\mathrm{cis}76^\circ=5e^{76^\circ i}$

Then

$\dfrac{z_1}{z_2}=\dfrac{20e^{226^\circ i}}{5e^{76^\circ i}}=4e^{(226-76)^\circ i}=4e^{150^\circ i}$

In trigonometric form, this is

$\dfrac{z_1}{z_2}=4\,\mathrm{cis}150^\circ=4(\cos150^\circ+i\sin150^\circ)=\boxed{-\dfrac{\sqrt3}2+\dfrac i2}$

8 0

3 years ago