3 years ago

Whats the slope of 3x-4y=20

Mathematics

1 answer:

Masja [62]3 years ago

8 0

The slope would be 3/4

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3 years ago

Trig: Which complex number's graph is shown?

Andrei [34K]

ANSWER

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

EXPLANATION

The complex number shown has coordinates (2,-2)

$z = 2 - 2i$

The modulus is

$|z| = \sqrt{ {2}^{2} + {( - 2)}^{2} }$

$|z| = \sqrt{ 8} = 2 \sqrt{2}$

The argument is

$\theta= \tan^{ - 1} ( \frac{ - 2}{2} )$

$\theta= \tan^{ - 1} ( -1) = \frac{7\pi}{4}$

The polar form is

$2 \sqrt{2} ( \cos( \frac{7\pi}{4} + i \sin( \frac{7\pi}{4} ) )$

The first option is correct.

3 0

4 years ago

What is 45% of 900kg

alina1380 [7]

45% of 900 kg is 405 kilograms

3 0

4 years ago

EastWind [94]

Answer:

x=4.5

Step-by-step explanation:

so when y=20 and x=2, y is 10 times x so, <u>45/10=4.5</u>

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3 years ago

Read 2 more answers

F:x = x²-4 and g:x = 2/x-2, x≠2, find g²(1)

ArbitrLikvidat [17]

Answer:

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Step-by-step explanation:

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3 years ago