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3 years ago

Is a rate a ratio always sometimes or never

Mathematics

2 answers:

nalin [4]3 years ago

8 0

<span>yes because a ratio is a rate so a rate would have to be a ratio.</span><span>
</span>

Elena-2011 [213]3 years ago

7 0

A rate is always a ratio because a ratio is technically a rate so a rate is technically a ratio.

Hope it helps!! :)

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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

Please I will give brainliest

atroni [7]

Answer:

I think its D because i did the math for it but tell me if im wrong.

Step-by-step explanation:

I hope you have a nice day

8 0

2 years ago

Read 2 more answers

What is 0.489 in word form please answer

stich3 [128]

Answer:

four hundred eighty nine thousandths

Step-by-step explanation:

6 0

3 years ago

How did circe change form the first

yawa3891 [41]

She turned Odysseus' men into swine with her magic, when they encountered her. But when odysseus encountered her, she asked him to bed.

5 0

3 years ago

I need help please and thank you

Phoenix [80]

Answer:

28.26

Step-by-step explanation:

This is the formula for area of a circle

A = pi r^2

Substitute the given values

A = 3.14 (3)^2

A = 3.14 (9)

28.26

8 0

3 years ago