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Mathematics 7 Online
OpenStudy (bekkah323):

10-6^2/9^2+3^2

jimthompson5910 (jim_thompson5910):

sorry didn't mean to cut you off, what did you get?

OpenStudy (bekkah323):

i got -9 and it told me it was -13/45

jimthompson5910 (jim_thompson5910):

is there more to it? I don't see any fractions in the problem

OpenStudy (bekkah323):

sorry i was looking at the wrong answer? this one didn't have an answer, but im still not sure if i did it right

jimthompson5910 (jim_thompson5910):

and the problem is (8-7)-9 ? and nothing else?

jimthompson5910 (jim_thompson5910):

if so, then (8-7)-9 (1)-9 1 - 9 -8 so (8-7)-9 = -8

jimthompson5910 (jim_thompson5910):

oh nvm it's different

jimthompson5910 (jim_thompson5910):

so in 10-6^2/9^2+3^2 only the 9^2 is under the 6^2 right?

jimthompson5910 (jim_thompson5910):

it will probably be best to draw it out

OpenStudy (bekkah323):

Yah i screwed this whole question up, sorry!

OpenStudy (jhannybean):

Or use parenthesis.

jimthompson5910 (jim_thompson5910):

can you draw out the problem?

OpenStudy (bekkah323):

yah i can draw it out

jimthompson5910 (jim_thompson5910):

thanks

OpenStudy (bekkah323):

\[\frac{ 10-6^2 }{ 9^2+3^2}\]

jimthompson5910 (jim_thompson5910):

thanks that helps

jimthompson5910 (jim_thompson5910):

\[\large \frac{ 10-6^2 }{ 9^2+3^2}\] \[\large \frac{ 10-36 }{ 81+9}\] \[\large \frac{ -26 }{ 90}\] \[\large \frac{ 2(-13) }{ 2(45)}\] \[\large \frac{ -13 }{ 45}\] \[\large -\frac{ 13 }{ 45}\] So \[\large \frac{ 10-6^2 }{ 9^2+3^2} = -\frac{ 13 }{ 45}\]

OpenStudy (bekkah323):

ok thanks that makes sense!

jimthompson5910 (jim_thompson5910):

that's great, yw

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