anonymous
  • anonymous
If a varies directly as b, and a = 28 when b = 7, find b when a = 5. is b 20?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
5/4
saifoo.khan
  • saifoo.khan
|dw:1333023807565:dw|
anonymous
  • anonymous
5/4

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More answers

Callisto
  • Callisto
since a varies directly as b a/b = constant 28/7 = 5/x x= 5/(28/7) = 5.4
saifoo.khan
  • saifoo.khan
Giving direct answers is a crime here.
anonymous
  • anonymous
Thanks guys...I had meh stuff upside down.
anonymous
  • anonymous
chill saifoo
saifoo.khan
  • saifoo.khan
anonymous
  • anonymous
a = b/k 28 = 7/k k = 1/4 b = 5*(1/4) b = 5/4
anonymous
  • anonymous
Sheena WINS :D
anonymous
  • anonymous
saifoo u wrote down the formula for inverse proportion
anonymous
  • anonymous
YEAH :D
saifoo.khan
  • saifoo.khan
\[\Huge \text{Chillin' like always. :D}\]http://www.google.com.pk/imgres?imgurl=http://i0.kym-cdn.com/photos/images/original/000/096/044/trollface.jpg%3F1296494117&imgrefurl=http://knowyourmeme.com/memes/trollface-coolface-problem&h=640&w=640&sz=46&tbnid=RgezjptQadkGAM:&tbnh=92&tbnw=92&zoom=1&docid=Bmb-7Uvd7Yxf2M&hl=en&sa=X&ei=uVR0T7GWEpHsOc_pnUw&ved=0CEIQ9QEwAQ&dur=178
anonymous
  • anonymous
@rebeccaskell94 see the first as .. n tell who wins ??
anonymous
  • anonymous
lols @saifoo.khan
anonymous
  • anonymous
well...you see...you look like a bf murderer by your pic and sheena and I...well we used to be together :p lols
anonymous
  • anonymous
@coolbird143 the one who shows the most steps along with the answers
saifoo.khan
  • saifoo.khan
nope, that's Direct prop. inv = |dw:1333023987259:dw| @sheena101
anonymous
  • anonymous
haha yup becca and i r gonna break up soon :D
anonymous
  • anonymous
you can have a medal if you really want though...but you have to say please with a cherry on top
anonymous
  • anonymous
It's over...^this is how you tell me?! D: *gasp*
Callisto
  • Callisto
i agree with saifoo.khan directly proportional is a α b while inversely proportional is a α (1/b)
anonymous
  • anonymous
so is 5/4 right?
Callisto
  • Callisto
yup, i made a typing mistake above sorry

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