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Mathematics 16 Online
OpenStudy (horsegirl27):

Can somebody please check over my work for a homework problem?

OpenStudy (horsegirl27):

medal and fan :)

OpenStudy (horsegirl27):

http://prntscr.com/6uuj15 3. w1*d1=w2*d2 w1*d1/w2 =w2/w2*d2 w1*d1/w2 =d2

OpenStudy (horsegirl27):

@Hoslos

OpenStudy (anonymous):

You got it!

OpenStudy (horsegirl27):

ok, thanks!! Can you check another? :)

OpenStudy (anonymous):

Yes, why not?

OpenStudy (horsegirl27):

ok :P

OpenStudy (horsegirl27):

http://prntscr.com/6uunlo 4. A=(wh)+0.5(bh) A-0.5=(wh)+0.5-0.5(bh) A-0.5/(wh)= (bh) A-0.5/(wh)h=b

OpenStudy (horsegirl27):

I think I got it wrong :/

OpenStudy (anonymous):

Do not show the sad face. I am here to help.

OpenStudy (horsegirl27):

ok :)

OpenStudy (anonymous):

h is common so we can factor out right in the beginning: \[A=h(w+\frac{ b }{ 2 })\] \[\frac{ A }{ h }=w+\frac{ b }{ 2 }\] \[\frac{ A }{ h }-w=\frac{ b }{ 2 }\] Multiplying 2 for both sides, we get \[2(\frac{ A }{ h }-w)=b\]

OpenStudy (anonymous):

@horsegirl27

OpenStudy (anonymous):

Are you ok with this?

OpenStudy (horsegirl27):

yeah

OpenStudy (horsegirl27):

So is that the final answer?

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

@horsegirl27

OpenStudy (horsegirl27):

ok, thanks so much!!

OpenStudy (horsegirl27):

Now, can u help me with another, I haven't worked on it yet

OpenStudy (anonymous):

My pleasure.

OpenStudy (horsegirl27):

ok

OpenStudy (horsegirl27):

http://prntscr.com/6uuyxj

OpenStudy (anonymous):

Option 1: 4y + 3x= 10 Making y the subject becomes y: (10-3x)/4 Option 2: & + 8€ + 9@ + 7$=24 Making $ the subject becomes $= (24-&-8€-9@)/7

OpenStudy (horsegirl27):

ok

OpenStudy (anonymous):

Right.

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