Please help I know it's simple math but im suck on it.
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OpenStudy (anonymous):
5-3 (4+68)
OpenStudy (anonymous):
OpenStudy (anonymous):
I attached a file
OpenStudy (anonymous):
@summersun13 I attached a file so you can see how it's written
OpenStudy (anonymous):
ok, i have the answer but im figuring out how to explain it.......
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OpenStudy (anonymous):
I got 9/5 but i know it's wrong
OpenStudy (anonymous):
alright so what i did first is i make each individual fraction have the same denominator (i chose 10 as mine because i found it easier but any common denominator you can multiply to will simplify to the same answer)
OpenStudy (anonymous):
yeah I did that and made them 4/10 and 5/10
OpenStudy (anonymous):
so now i had (4/10 + 5/10) / (4/10 - 1/2)
OpenStudy (anonymous):
right, and now, solve for your numerator and your denominator as is
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OpenStudy (anonymous):
I got 9/10 over -1/2
OpenStudy (anonymous):
9/-5 is that right?
OpenStudy (anonymous):
no, thats not. what you should have gotten when you solved is (9/10)/(-1/10) do you see how i got that?
OpenStudy (anonymous):
ohhhh
OpenStudy (anonymous):
than 90/-10 ??
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OpenStudy (anonymous):
and from there multiply 9/10 by the reciprocal of your denominator, so (-10/1)
OpenStudy (anonymous):
good, now simplify that
OpenStudy (anonymous):
why did you put the negative - with 10 it's with 1
OpenStudy (anonymous):
is the answer 9/-1
OpenStudy (anonymous):
because its a fraction and when theres a negative sign it doesnt matter much where you put it because the overall fraction will reflect that sign. so your answer is correct but even more simply, you can write -9 as your answer
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OpenStudy (anonymous):
omg thank you so much i have 3 more practice problems can I do them and send them to you and see if I got it right please?
OpenStudy (anonymous):
ya sure
OpenStudy (anonymous):
do as much as you can and if you get stuck im here to help
OpenStudy (anonymous):
for this one i got 679/7 is that right?
OpenStudy (anonymous):
@TechnoSoul
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OpenStudy (anonymous):
yes, that is right but you can actually divide that and get your final answer
OpenStudy (anonymous):
by what
OpenStudy (anonymous):
97/1
OpenStudy (anonymous):
you can divide 679 by 7
OpenStudy (anonymous):
or just 97
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OpenStudy (anonymous):
yes exactly
OpenStudy (anonymous):
97 is your final answer to that problem
OpenStudy (anonymous):
37/5
OpenStudy (anonymous):
@TechnoSoul
OpenStudy (anonymous):
37/-5
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OpenStudy (anonymous):
your answer is correct, only it should be negative because remember your denominator will be a negative
OpenStudy (anonymous):
yes exactly
OpenStudy (anonymous):
one more i
OpenStudy (anonymous):
i got 2 as my answer
OpenStudy (anonymous):
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OpenStudy (anonymous):
Opps wrong one this one
OpenStudy (anonymous):
alright and what did you get for it?
OpenStudy (anonymous):
195/-105
OpenStudy (anonymous):
is what right
OpenStudy (anonymous):
yes, thats right, but you can simplify that too.
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OpenStudy (anonymous):
13/-7
OpenStudy (anonymous):
or -13/7
OpenStudy (anonymous):
either work because remember the negative is about the fraction as a whole
OpenStudy (anonymous):
most teachers though, will prefer your negative out in front of your fraction like how you had the -13/7