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3 years ago

HELP ME PLS!!!!!!!!!!!!

Mathematics

1 answer:

melisa1 [442]3 years ago

6 0

Answer:

Slope of Line 1 = 4/3

Slope of Line 2 = 1/2

Slope of Line 3 = 4/3

For each pairs of lines, determine whether they're parallel, perpendicular or either.

Line 1 and Line 2: neither

Line 1 and Line 3: parallel

Line 2 and Line 3: neither

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3 years ago

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<u>i think this is the answer</u>

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3 years ago

Please see the image and help with this homework problem. thank you!

dimulka [17.4K]

we have the function

$E=\sin \frac{\pi}{14}t$

Part a

For t=7

substitute in the given function

$\begin{gathered} E=\sin \frac{\pi}{14}7 \\ E=1 \end{gathered}$

For t=14

$\begin{gathered} E=\sin \frac{\pi}{14}14 \\ E=0 \end{gathered}$

For t=21

$\begin{gathered} E=\sin \frac{\pi}{14}21 \\ E=-1 \end{gathered}$

For t=28

$\begin{gathered} E=\sin \frac{\pi}{14}28 \\ E=0 \end{gathered}$

For t=35

$\begin{gathered} E=\sin \frac{\pi}{14}35 \\ E=1 \end{gathered}$

Observation: The values of E varies from -1 to 1, including the zero

Part B

Remember that

The Period goes from one peak to the next

Period=2pi/B

B=pi/14

Period=(2pi)/(pi/14)=2pi*14/pi=28

<h2>the period is 28 days</h2>

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1 year ago