anonymous
  • anonymous
verlieren
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
first question
1 Attachment
welshfella
  • welshfella
This is a n exercise in the order of operations PEMDAS ParenthesesExponenetsMusltipyDivideAddSubtract - perform the calculations in this order For example the numerator is 8 *3 + 6 - multipiy is done first = 24 + 6 = 30
welshfella
  • welshfella
where you have parenthese within parenthese work out the innermost first

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More answers

anonymous
  • anonymous
Follow the rules of PEMDAS. In the numerator, you need to multiply first, so it'd be 24 + 6 or 30. In the denominator, you need to focus on the innermost brackets first. -2(6/2-(9-1)) -2(6/2-8) You currently have 30/-2(6/2-8). What should you do from there?
anonymous
  • anonymous
okk...... so i got the answer 24....
welshfella
  • welshfella
please show your work
welshfella
  • welshfella
- how did you work out the denominator -2[6 / 2 -(9-1)]
anonymous
  • anonymous
my work? my work is on paper....... wait.... is the answer 30
anonymous
  • anonymous
Type it out here, please. The answer shouldn't be 30.
welshfella
  • welshfella
no work out the denomianar the 9-1 in the inner bracket is done first to give -2[ 6/2 - 8]
anonymous
  • anonymous
im so confused. can you show me how to solve it and i will analyze how you did it. ill print it and it will help me on the rest of my questions, because itll show me how to solve it
welshfella
  • welshfella
you have a divide and subtraction in the parenthese - which comes first the divide or the subtract?
anonymous
  • anonymous
divide
welshfella
  • welshfella
the divide is done first so we have -2[3 - 8] Now work out the 3-8 next (as ist in the parentheses) then do the multiply by -2.
welshfella
  • welshfella
do you follow that ok?
anonymous
  • anonymous
uhm.....ok.. yes
welshfella
  • welshfella
when you have worked that out the final operation is to divide it into the numerator (30)
anonymous
  • anonymous
ok
welshfella
  • welshfella
what is 3 - 8?
anonymous
  • anonymous
-5
welshfella
  • welshfella
right now -2*-5 = ?
anonymous
  • anonymous
10
welshfella
  • welshfella
ok now finnal its 30 / 10 = 3
anonymous
  • anonymous
thats the answer?
anonymous
  • anonymous
what.... 3?
anonymous
  • anonymous
@welshfella
welshfella
  • welshfella
3 is the answer
anonymous
  • anonymous
oh, thanks
welshfella
  • welshfella
we workesd out the numerator to be 30 and denominator to be 10 so the fraction becomes 30/10 = 3
welshfella
  • welshfella
yw
welshfella
  • welshfella
Commit PEMDAS to memory and you'll have no problems with this type of question.

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