Liv1234
  • Liv1234
NEED HELP WITH A QUESTION PLEASE.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Liv1234
  • Liv1234
I think the answer is B.
rvc
  • rvc
\(\Large\rm Area~of~circle=\pi~ r^2~~\\~~\\ \Large where~r~is~the~radius~of~the~circle\)
rvc
  • rvc
here in this question r =?

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More answers

Liv1234
  • Liv1234
3.14*4.1^2
rvc
  • rvc
4.1 is the length or diameter or radius?
Liv1234
  • Liv1234
Radius
rvc
  • rvc
so \(\pi\) (4.1)^2
Liv1234
  • Liv1234
52.7834
rvc
  • rvc
what is the square of 4.1 ?
rvc
  • rvc
here we need not multiply the value of pi since the answer is in pi
Liv1234
  • Liv1234
So, 16.81?
Liv1234
  • Liv1234
That's the square of 4.1
rvc
  • rvc
correct :) All The best
Liv1234
  • Liv1234
Can you help me with another question?
rvc
  • rvc
Sure
Liv1234
  • Liv1234
rvc
  • rvc
i have seen this question in one of the test :)
Liv1234
  • Liv1234
I know, I need help with it aha.
Liv1234
  • Liv1234
Like, can you go over it with me?
rvc
  • rvc
@aryandecoolest please help :)
butterflydreamer
  • 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
  • Liv1234
47! But would it be ft or cm?
butterflydreamer
  • butterflydreamer
correct :) Read what i wrote carefully... we are converting cm ----> ft Therefore 4.7 cm -----> 47 ft right? :)
Liv1234
  • Liv1234
That makes sense(: Can you help me with a couple of other questions?
rvc
  • rvc
good job @butterflydreamer thanks :)
Liv1234
  • Liv1234
butterflydreamer
  • 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
  • Liv1234
@rvc can you help me with that question i just put up?(:
rvc
  • rvc
yes cross multiply
Liv1234
  • Liv1234
I do know how to cross multiply, but this one confuses me.
Liv1234
  • Liv1234
Also, I need help with one more question after this one.
rvc
  • rvc
example \[\frac{ x }{ 15 }=\frac{ 5 }{ 2 }-->x=\frac{ 5 }{ 2 } X 15\]
Liv1234
  • Liv1234
So, 5/7*56?
Liv1234
  • Liv1234
Which would be 40?(:
Liv1234
  • Liv1234
So, would it be 40?
Liv1234
  • Liv1234
@rvc Can you help me with another question please??(::
rvc
  • rvc
okay
Liv1234
  • Liv1234
Liv1234
  • Liv1234
This is the last one I need help with(:
rvc
  • rvc
the polygons are similar so the sides will be in proportion
Liv1234
  • Liv1234
So, how do we figure it out?
Liv1234
  • Liv1234
Wait wait wait!! So, 18*1.5=27. And 6*1.5=9. So would the answer be 9?
rvc
  • rvc
\[\rm \frac{ AD }{ JM }= constant~ ratio\]
rvc
  • rvc
you are right
rvc
  • rvc
All The Best :)
Liv1234
  • Liv1234
Thank you(:
rvc
  • rvc
:)
Liv1234
  • 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
  • rvc
lol its fine dear
Liv1234
  • Liv1234
I have 53 questions on my final, I've already answered like 6 of them so I'm proud of myself. :p
Liv1234
  • Liv1234
Can I get your opinion on something?
rvc
  • rvc
yep
Liv1234
  • 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
  • Liv1234
Liv1234
  • Liv1234
rvc
  • rvc
ah all suits you dear

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