3 years ago

Simplify this expression 9v-v

Mathematics

2 answers:

Norma-Jean [14]3 years ago

5 0

Factor out he common term, which in this case is "v"

So your answer would be v(9-1)

horrorfan [7]3 years ago

5 0

Answer:

Step-by-step explanation:

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The answer is C.

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Step-by-step explanation:

Given

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3 years ago

6cos(20πt-π)+6√3cos(20πt-π\2)

juin [17]

Answer:

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Step-by-step explanation:

${ \tt{ = (6 \cos(20\pi t) \cos(\pi) + 6\sin(20\pi t) \sin(\pi) ) + 6 \sqrt{3} ( \cos(20\pi t) \cos( \frac{\pi}{2} ) + \sin(20\pi t) \sin( \frac{\pi}{2} )) }} \\ = { \tt{ (- 6t + 0) + (0 + 0)}} \\ = { \tt{ - 6t}}$

Note that π is 180°

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