3 years ago

Please help me with this

Mathematics

1 answer:

NNADVOKAT [17]3 years ago

3 0

The slope of this question is 1/3

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3 years ago

The earliest age a person can retire in the United States and claim retirement benefits is 62.which graphed inequality best repr

dolphi86 [110]

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4 years ago

Express the complex number in trigonometric form. -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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3 years ago

Evaluate the expression for x = 15 x - 9 9 24 6 12 please help

Orlov [11]

If you are trying to figure out x-9=15 it’ll be 24

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3 years ago

There are 65 campers at fun camp. only 53 campers brought sleeping bags. how many campers did not bring sleeping bags?

elena-s [515]

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3 years ago