anonymous
  • anonymous
My teacher said i did these wrong can anyone explain how to properly solve these questions for me? it says i have to evaluate the expression i thought it was correct but now im confused 2. 5 |-4 + 3| = 15 3. -2 + 3 |-4| = -3 4. | -2 + -4| ----------- = 0 6 5. 3| -2+-6| + -3 = -8
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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SmokeysTheName
  • SmokeysTheName
you have to get the absolute value sign alone first.
anonymous
  • anonymous
|dw:1359567381118:dw|
SmokeysTheName
  • SmokeysTheName
so for number 2 divide 5 to both sides.

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anonymous
  • anonymous
@Markitos , r u getting vat is done
anonymous
  • anonymous
|dw:1359567550593:dw|
anonymous
  • anonymous
@Markitos , solve the second part, and do take care of one thing that the expression which is in |dw:1359567749335:dw| sign becomes +ve when it is negative. this sign is called mod which converts -ve sign into +ve
anonymous
  • anonymous
|dw:1359568063833:dw|
anonymous
  • anonymous
and how does the -1 become a positive one?
anonymous
  • anonymous
because it is in mod sign , as i have already told that the expreesion in this mod sign becomes always +ve , if it is -ve
anonymous
  • anonymous
ok
anonymous
  • anonymous
what about the last part 5= 15
anonymous
  • anonymous
or is it 5 | | 15
anonymous
  • anonymous
as LHS is not equal to the RHS So |dw:1359568254047:dw|
anonymous
  • anonymous
and where does the 11 come from
anonymous
  • anonymous
how would i type that in word
anonymous
  • anonymous
no there is no 11, when LHS is not equal to RHS, then we put equal sign but we place a cross sign on that first write equal sign
anonymous
  • anonymous
|dw:1359568380656:dw| like this
anonymous
  • anonymous
then draw a line which cuts it like this|dw:1359568409476:dw|
anonymous
  • anonymous
ok
anonymous
  • anonymous
got it
anonymous
  • anonymous
now is am i finished with this one
anonymous
  • anonymous
yup
anonymous
  • anonymous
k.. do the second part, so that i should leave
anonymous
  • anonymous
what do i need to do for the second part
anonymous
  • anonymous
solve it
anonymous
  • anonymous
how
anonymous
  • anonymous
im very bad at math can you explain to me how to
anonymous
  • anonymous
i get the first part of what u said
anonymous
  • anonymous
-2 + 3 |-4| = -3 -2 + 3 (4) = -3 -2 +12 = -3
anonymous
  • anonymous
|dw:1359568963469:dw|
anonymous
  • anonymous
hope u understand and try the next parts also.
anonymous
  • anonymous
ok i get that
anonymous
  • anonymous
so if the number in the bracket is negative then it becomes positive and you put parenthesis around correct
anonymous
  • anonymous
and how did you get the nine and 3
anonymous
  • anonymous
i just put the bracket to see the difference, it doesnot matter either u put bracket or not.
anonymous
  • anonymous
-2+12=9
anonymous
  • anonymous
i m leaving now, if any problem , then ask me later on
anonymous
  • anonymous
ok and for this 2 + 3 (4) how did you get the 12
anonymous
  • anonymous
ok
precal
  • precal
|dw:1359576231730:dw|order of operation, you must multiply first then add

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