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solniwko [45]
2 years ago
13

Help plz https://brainly.com/question/25361301

Mathematics
1 answer:
otez555 [7]2 years ago
6 0

Answer:

what do you need help with

Step-by-step explanation:

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What are the amplitude, period, and phase shift of the given function? f(t)=-2/3 cos (3t-3pi)
dybincka [34]

Answer:

amplitude; \frac{2}{3}

Phase shift; \pi units right

Period;\frac{2\pi}{3}

Step-by-step explanation:

The given function is

y=-\frac{2}{3}\cos(3t-3\pi)

This function is of the form;

y=A\sin (Bt+C)

The period is given by:

|A|=|-\frac{2}{3}|= \frac{2}{3}

The period is given by:

T=\frac{2\pi}{|B|}= \frac{2\pi}{|3|}=\frac{2\pi}{3}

The phase shift is given by;

\frac{C}{B}=\frac{-\3pi}{3}=- \pi or \pi units right.

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3 years ago
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2 sorry if i’m wrong
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3 years ago
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D i think is the answer
8 0
3 years ago
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The slope of the line below is -2. Which of the following is the point-slope form of the line?
madreJ [45]

Answer: the answer should be D

Step-by-step explanation:

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2 years ago
How can you solve problems involving direct variation?
never [62]

Answer:

Solving a Direct Variation Problem

Write the variation equation: y = kx or k = y/x.

Substitute in for the given values and find the value of k.

Rewrite the variation equation: y = kx with the known value of k.

Substitute the remaining values and find the unknown.

Step-by-step explanation:

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