anonymous
  • anonymous
PLEASE HELP WILL GIVE MEDAL, FAN, AND TESTIMONIAL!
Mathematics
chestercat
  • chestercat
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Durply
  • Durply
go ahead
anonymous
  • anonymous
anonymous
  • anonymous

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xapproachesinfinity
  • xapproachesinfinity
the last one can be found using proportion 100=4 750=x x=(750 times 4)/100
xapproachesinfinity
  • xapproachesinfinity
hmm second i guess proportions too
xapproachesinfinity
  • xapproachesinfinity
actually the second is two equations that you need to solve
xapproachesinfinity
  • xapproachesinfinity
well seems onece again i'm wrong proportions works with the second 22 out of 50 are females out of 800 x=800 times 22 all divided by 50
xapproachesinfinity
  • xapproachesinfinity
see how much is that
anonymous
  • anonymous
22 divided by 50?
xapproachesinfinity
  • xapproachesinfinity
noo 800 times 22 all divided by 50
xapproachesinfinity
  • xapproachesinfinity
let's the first...
anonymous
  • anonymous
352
math&ing001
  • math&ing001
First one, you have 30 fish among 84, that's \(\frac{ 30*100 }{ 84 } = 35.7\)% of total fish taged, and you need to find what's the number at 100%. Second, same thing 22 females out of 50, that's 44%. Find 44% of 800. Last 4 wires are defective out of 100, that's 4% defective wires, find 4% of 750.
xapproachesinfinity
  • xapproachesinfinity
in case you got confused my way and his are the same alright proportions are tied to percentages :)
xapproachesinfinity
  • xapproachesinfinity
you still get the same answers
xapproachesinfinity
  • xapproachesinfinity
woow the guy is gone i'm speaking to my self lol
anonymous
  • anonymous
so question 5 is 352
xapproachesinfinity
  • xapproachesinfinity
yes
anonymous
  • anonymous
what about questions 6 and 4?
xapproachesinfinity
  • xapproachesinfinity
6 i answer see above 4 the @math&ing001 answered you
xapproachesinfinity
  • xapproachesinfinity
6 same way you get 30
anonymous
  • anonymous
ok thanks
xapproachesinfinity
  • xapproachesinfinity
no problem
anonymous
  • anonymous
for #4 i got A?
xapproachesinfinity
  • xapproachesinfinity
seems good to me
math&ing001
  • math&ing001
Not quite... if the fish he tagged (180) represents 35.7% of the total, don't you think the number of total fish would actually be bigger ?
math&ing001
  • math&ing001
120*
anonymous
  • anonymous
ya it should
anonymous
  • anonymous
i think its B or C cause D is to big right?
xapproachesinfinity
  • xapproachesinfinity
i must say the language used in the first throws a bit off and that was the reason i skipped it in the first place
xapproachesinfinity
  • xapproachesinfinity
me*
xapproachesinfinity
  • xapproachesinfinity
in other words i didn't quite understand the problem
math&ing001
  • math&ing001
Well we shouldn't be guessing if we can calculate: 120 is 35.7% of the total, so the total would be 120*100/35.7
anonymous
  • anonymous
i got C
anonymous
  • anonymous
@xapproachesinfinity could you give @math&ing001 a medal so that i could give you a medal, since you both were really a big help?
xapproachesinfinity
  • xapproachesinfinity
i did give him a medal
anonymous
  • anonymous
Thanks
xapproachesinfinity
  • xapproachesinfinity
no problem

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