3 years ago

PLEASE SOLVE. Will make brainliest for correct solution.

Mathematics

1 answer:

ELEN [110]3 years ago

5 0

Step-by-step explanation:

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What is 123/20 as a mixed fraction

dolphi86 [110]

So,

123/20 is over 1. The denominator is 20, so what I would do is find out how many <em>whole </em>20's would fit in 123.

The result is that 6 20's would fit in 123 with 3 left over.

The answer is six and three-twentieths (6 3/20). It's already in simplest form.

5 0

4 years ago

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)

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