3 years ago

Which graph shows the point R(0, 4)?

Mathematics

2 answers:

Yanka [14]3 years ago

6 0

Answer:

Step-by-step explanation:

last one

Thanks me later

Maurinko [17]3 years ago

6 0

Answer:

Graph D

Step-by-step explanation:

Graph D shows (0,4) because the x coordinate is 0, and then the y coordinate is 4 so you move up 4.

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Express the complex number in trigonometric form. <br><br> -4i

jeka57 [31]

Answer:

-4i = 4(cos 270 +i sin 270)

Step-by-step explanation:

We have a+ib = r(cosθ+isinθ)

$r=\sqrt{a^2+b^2}\texttt{ and }tan\theta =\frac{b}{a}$

Here a = 0 and b = -4

Substituting

$r=\sqrt{0^2+(-4)^2}\\\\r=4\\\\tan\theta =\frac{-4}{0}\\\\\theta =270^0\texttt{(Since a is zero and b is negative)}$

-4i = 4(cos 270 +i sin 270)

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almond37 [142]

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Line PQ in line RS intersect to form four right angles which statement that would it be

Sholpan [36]

Answer:

PQ is perpendicular to RS

that is to mean:

PQ⊥RS

Step-by-step explanation:

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