anonymous
  • anonymous
I don't understand what they want me to do or where to begin. Pre-calculus maybe a proof not sure
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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precal
  • precal
with what
precal
  • precal
post your math question and I will try to help you
anonymous
  • anonymous
its attached
1 Attachment

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precal
  • precal
what course is this? looks like you are doing a proof
anonymous
  • anonymous
this is pre-caculus
anonymous
  • anonymous
calculus
precal
  • precal
calculus or precal?
anonymous
  • anonymous
sorry for the confusion precalculus
precal
  • precal
ok did not look like calculus
precal
  • precal
looks like I might not be able to help after all but I can tell you that they multiply d to both sides to get this|dw:1346461339585:dw|
precal
  • precal
not sure what is going on after that, I find all of those blanks confusing
precal
  • precal
don't they have a lecture part prior to this?
anonymous
  • anonymous
I am supposed to fill in the blanks
precal
  • precal
yes, I realize that but I am not following the logic to it. I am sure they are applying many algebraic properties along the way
anonymous
  • anonymous
Well thanks anyway dude
precal
  • precal
sorry, maybe someone else will come help you. You can always close this problem and repost it but it might help if you write it out using draw (some people will not open attachments). btw I am a girl
anonymous
  • anonymous
alright I think I'll take my chances with the attachment since it would take me forever to write that out and it might not even be legible
helder_edwin
  • helder_edwin
it says add \(a\) to both sides so the 3rd line would be \[ \large a+\frac{ad}{b}
anonymous
  • anonymous
where does it say add a?
anonymous
  • anonymous
Ill take that on faith for now
helder_edwin
  • helder_edwin
it is on the third line to the right
helder_edwin
  • helder_edwin
it also says simplify
anonymous
  • anonymous
"Adding a to both sides and simplifying, we see that" I see but I'm not sure what to do still. What do they want me to do for the next line?
anonymous
  • anonymous
put a common denominator on a?
helder_edwin
  • helder_edwin
no. just what i wrote.
helder_edwin
  • helder_edwin
then add the fractions on the left side \[ \large \frac{ab+ad}{b}
helder_edwin
  • helder_edwin
then factor \(a\) \[ \large \frac{a}{b}\cdot(b+d)
anonymous
  • anonymous
Thanks I think I get it now.
helder_edwin
  • helder_edwin
then \(b+d\) passes to the other side to divide \[ \large \frac{a}{b}<\frac{a+c}{b+d} \]
helder_edwin
  • helder_edwin
this covers the first part :)
anonymous
  • anonymous
is the second part different?
anonymous
  • anonymous
concept wise
helder_edwin
  • helder_edwin
not at all, try it.
anonymous
  • anonymous
Thanks alot. I'm new. Should I keep the question open? Until I work it out?
helder_edwin
  • helder_edwin
it's up to u. i'll be here for one more hour or so.
anonymous
  • anonymous
sweet thanks
helder_edwin
  • helder_edwin
do u know how to call someone's atention??
helder_edwin
  • helder_edwin
write @ to the left of his "name". like this @znimon
anonymous
  • anonymous
@helder_edwin it says my lines 3(half of line 3) and 4 are wrong. I have (b+d)/b and in the last blank I have (ab+cb)/(b+d)
anonymous
  • anonymous
of part 1
helder_edwin
  • helder_edwin
the first two blanks (line 3) should be \(a\)
anonymous
  • anonymous
ok says my 5th and 7th blanks are wrong
helder_edwin
  • helder_edwin
next line should be \[ \large ab+ad\qquad\text{and}\qquad a \]
anonymous
  • anonymous
have that
helder_edwin
  • helder_edwin
next line should be \[ \large b+d\qquad\text{and}\qquad a \]
anonymous
  • anonymous
why isn't b+d divided by b
helder_edwin
  • helder_edwin
u r factoring a from the denominator and just puting the dominator (b) under what u just factored
anonymous
  • anonymous
hmm I don't really get it
helder_edwin
  • helder_edwin
it is this \[ \large \frac{r\cdot s}{m}=\frac{r}{m}\cdot s \]
anonymous
  • anonymous
oh I get it not breaking the number into its prime factors
helder_edwin
  • helder_edwin
so \[ \large \frac{ab+ad}{b}=\frac{a(b+d)}{b}=\frac{a}{b}\cdot(b+d) \]
anonymous
  • anonymous
now*
anonymous
  • anonymous
got it thanks
anonymous
  • anonymous
so the final blank should be (a+c)/b+d
helder_edwin
  • helder_edwin
the next (last) line would be \[ \large \frac{a+c}{b+d} \]
helder_edwin
  • helder_edwin
yes
anonymous
  • anonymous
hurray
helder_edwin
  • helder_edwin
now do the next part
anonymous
  • anonymous
ok
helder_edwin
  • helder_edwin
as i told u it's very similar
anonymous
  • anonymous
first two lines should both be c
helder_edwin
  • helder_edwin
yes
helder_edwin
  • helder_edwin
@znimon next??
anonymous
  • anonymous
finished
helder_edwin
  • helder_edwin
great.
anonymous
  • anonymous
@helder_edwin finished and all correct
anonymous
  • anonymous
thanks again
helder_edwin
  • helder_edwin
u r welcome

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