Mathematics
8 Online
OpenStudy (anonymous):
h is to 8 as 3 is to 12. what is h ?
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OpenStudy (anonymous):
what are answer choices?
OpenStudy (anonymous):
A)2,
B)4,
C)15,
D)32
OpenStudy (anonymous):
simplify the ratios to
h:8 and 1:4
then you multiply 1:4 by 2 to get your answer so what is h?
OpenStudy (anonymous):
i don't know
OpenStudy (anonymous):
multiply 1:4 by 2
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OpenStudy (anonymous):
ok hold on
OpenStudy (anonymous):
2:8 ?
OpenStudy (anonymous):
yes!
OpenStudy (anonymous):
ok, so, now what?
OpenStudy (anonymous):
8 divided by 2 is...
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OpenStudy (anonymous):
16
OpenStudy (anonymous):
no actually its 4
OpenStudy (anonymous):
oh! i thought to multiply sorry, okay, so $ and now ?
OpenStudy (anonymous):
thats your answer
OpenStudy (anonymous):
ok, thanks
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OpenStudy (anonymous):
yup
OpenStudy (anonymous):
i need help with another, can i type my question ?
OpenStudy (anonymous):
sure
OpenStudy (anonymous):
Solve for X- 15:3 = x:12
A) X=4
B) X=5
C) X=24
D) X=60
OpenStudy (anonymous):
is that -15 or just 15
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OpenStudy (anonymous):
just 15
OpenStudy (anonymous):
the question is solve for X the equation starts with 15
OpenStudy (anonymous):
so how can you simplify 15:3? what is the gcf
OpenStudy (anonymous):
ok, hold on
OpenStudy (anonymous):
30?
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OpenStudy (anonymous):
hello?
OpenStudy (anonymous):
no thats the lcf. what can be divided into 3 and 15?
OpenStudy (anonymous):
can you figure that out?
OpenStudy (anonymous):
yeah, um, hold on
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
i got um 45, i think that is the greatest
OpenStudy (anonymous):
instead of multipling, divide. the gcf should be as low as possible
OpenStudy (anonymous):
15
OpenStudy (anonymous):
lower
OpenStudy (anonymous):
3?
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OpenStudy (anonymous):
yes. now divide 3 by 3 and 15 by 3 to get what and what
OpenStudy (anonymous):
9 , 45
OpenStudy (anonymous):
?
OpenStudy (anonymous):
divide them not multiply
OpenStudy (anonymous):
1, 5
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OpenStudy (anonymous):
yes
now you have 5:1 and x:12
OpenStudy (anonymous):
is my answer 5 ?
OpenStudy (anonymous):
so now multiply 1 by 12 and 5 by 12 to get what?
OpenStudy (anonymous):
12 , 60
OpenStudy (anonymous):
oh i didnt see that last one yes it is 5
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OpenStudy (anonymous):
get it?
OpenStudy (anonymous):
yeah i suppose . thank s
OpenStudy (anonymous):
ok