- Liv1234

NEED HELP WITH A QUESTION PLEASE.

- chestercat

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- Liv1234

I think the answer is B.

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- rvc

\(\Large\rm Area~of~circle=\pi~ r^2~~\\~~\\ \Large where~r~is~the~radius~of~the~circle\)

- rvc

here in this question r =?

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## More answers

- Liv1234

3.14*4.1^2

- rvc

4.1 is the length or diameter or radius?

- Liv1234

Radius

- rvc

so \(\pi\) (4.1)^2

- Liv1234

52.7834

- rvc

what is the square of 4.1 ?

- rvc

here we need not multiply the value of pi since the answer is in pi

- Liv1234

So, 16.81?

- Liv1234

That's the square of 4.1

- rvc

correct :)
All The best

- Liv1234

Can you help me with another question?

- rvc

Sure

- Liv1234

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- rvc

i have seen this question in one of the test :)

- Liv1234

I know, I need help with it aha.

- Liv1234

Like, can you go over it with me?

- rvc

@aryandecoolest please help :)

- butterflydreamer

well they've given us a scale where
1cm = 10 ft.
So if we plant the trees
4.7 cm = ? ft
You basically want to change from 4.7cm INTO feet using the fact that 1cm = 10ft.
Sooo since,
1cm = 10 ft
4.7cm = 10 * 4.7 ft = ? ft

- Liv1234

47! But would it be ft or cm?

- butterflydreamer

correct :) Read what i wrote carefully...
we are converting cm ----> ft
Therefore 4.7 cm -----> 47 ft right? :)

- Liv1234

That makes sense(: Can you help me with a couple of other questions?

- rvc

good job @butterflydreamer thanks :)

- Liv1234

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- butterflydreamer

i'm trying to write a speech right now so xD Sorrryy!
Good luck :) I'm sure rvc can help you with some more?

- Liv1234

@rvc can you help me with that question i just put up?(:

- rvc

yes
cross multiply

- Liv1234

I do know how to cross multiply, but this one confuses me.

- Liv1234

Also, I need help with one more question after this one.

- rvc

example
\[\frac{ x }{ 15 }=\frac{ 5 }{ 2 }-->x=\frac{ 5 }{ 2 } X 15\]

- Liv1234

So, 5/7*56?

- Liv1234

Which would be 40?(:

- Liv1234

So, would it be 40?

- Liv1234

@rvc Can you help me with another question please??(::

- rvc

okay

- Liv1234

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- Liv1234

This is the last one I need help with(:

- rvc

the polygons are similar
so the sides will be in proportion

- Liv1234

So, how do we figure it out?

- Liv1234

Wait wait wait!! So, 18*1.5=27. And 6*1.5=9. So would the answer be 9?

- rvc

\[\rm \frac{ AD }{ JM }= constant~ ratio\]

- rvc

you are right

- rvc

All The Best :)

- Liv1234

Thank you(:

- rvc

:)

- Liv1234

I gave @butterflydreamer a medal, but I wanted to give you one, but it won't let me, so I'll fan you(:

- rvc

lol its fine dear

- Liv1234

I have 53 questions on my final, I've already answered like 6 of them so I'm proud of myself. :p

- Liv1234

Can I get your opinion on something?

- rvc

yep

- Liv1234

I'm going to get my hair done today and I was wondering which one you like best out of these two hairstyles that I wanna get.

- Liv1234

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- Liv1234

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- rvc

ah all suits you dear

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