Mathematics
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OpenStudy (kg1975):
help
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jhonyy9 (jhonyy9):
do you know how can tag me ?
just write my name @jhonyy9
OpenStudy (kg1975):
i know
jhonyy9 (jhonyy9):
ok.
OpenStudy (kg1975):
\[\frac{ (5+3)^{2} }{ 1+2^{5}-23 }\]
OpenStudy (kg1975):
ok so ik peretheses first
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jhonyy9 (jhonyy9):
yes but there is denominator bc. this is a fraction
OpenStudy (kg1975):
ok so what do i do first then? add all the denominators?!
jhonyy9 (jhonyy9):
how many will result there on denominator ?
jhonyy9 (jhonyy9):
2^5 = ?
OpenStudy (kg1975):
2*2*2*2*2?
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jhonyy9 (jhonyy9):
yes equal ?
OpenStudy (kg1975):
32
jhonyy9 (jhonyy9):
ok - nice and there is in front of 2^5 an 1
OpenStudy (kg1975):
33
jhonyy9 (jhonyy9):
and there is again -23
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OpenStudy (kg1975):
10
jhonyy9 (jhonyy9):
yes nice so this will be the resulted denominator so now what will get on numerator ?
OpenStudy (kg1975):
\[8^{2}\]
OpenStudy (kg1975):
8*8
jhonyy9 (jhonyy9):
yes sure so how many will be this ?
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OpenStudy (kg1975):
64
jhonyy9 (jhonyy9):
exactly so you ve got this fraction simplified
64/10 = ?
OpenStudy (kg1975):
\[\frac{ 64 }{ 10 }\]
OpenStudy (kg1975):
idk what that =
jhonyy9 (jhonyy9):
64/10 = 6,4
but idk that you ve learned it again ?
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OpenStudy (kg1975):
how can a fraction = 6.4?
jhonyy9 (jhonyy9):
than you divide 64 by 10 so result 6,4
OpenStudy (kg1975):
why would u divide a fraction?
OpenStudy (welshfella):
the .4 is known as a decimal - which is a fraction with denominator 10 or multiple of 10
OpenStudy (kg1975):
i do not understand this DX
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OpenStudy (skullpatrol):
$$\huge a \div b = \dfrac{a}{b}$$
OpenStudy (welshfella):
1/2 = 5/10 = 0.5
or we could get the same result by dividing 1 by 2 because we have a counting system built on a0.
OpenStudy (welshfella):
* 10
OpenStudy (kg1975):
OHHHHHH!!!!! now it makes sense!!!!
OpenStudy (welshfella):
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