anonymous
  • anonymous
Evaluate. http://static.k12.com/bank_packages/files/media/mathml_3ad92e4b86aec91607782447dc174d5c7d8ad588_1.gif A.http://static.k12.com/bank_packages/files/media/mathml_fc441d195065d3b202d3eac27906a797cab21998_1.gif B.http://static.k12.com/bank_packages/files/media/mathml_6c3c363be32e97e4c70cd484f23f720bfaffde67_1.gif C.http://static.k12.com/bank_packages/files/media/mathml_0dce1350aefb540a05cdf47b2d6ae29e90ccced1_1.gif D.http://static.k12.com/bank_packages/files/media/mathml_1f82c3ef0ef269487a18a198c515407e55a16859_1.gif
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
ur in k12 2?
UsukiDoll
  • UsukiDoll
need to do the operations in the bracket first.
UsukiDoll
  • UsukiDoll
\[-4.5[2x-(0.5-1.4)]\]

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More answers

UsukiDoll
  • UsukiDoll
so taking the bracket first.. we noticed that there is a parenthesis so we need to compute 0.5-1.4 first
Astrophysics
  • Astrophysics
Yes, this is a question of knowing PEDMAS/ BEDMAS, what ever the kids call it these days.
UsukiDoll
  • UsukiDoll
US education system uses PEMDAS but often forget that when there is [ () ] the bracket is taken first into consideration and then do the problem in (I)
Astrophysics
  • Astrophysics
Right :)
UsukiDoll
  • UsukiDoll
I'm just waiting for the OP to respond to what's 0.5-1.4
UsukiDoll
  • UsukiDoll
I don't want to be one of those people with A is the answer or 1239 here's the link to an online calculator.
Astrophysics
  • Astrophysics
Yes, I see, you're a good teacher!
UsukiDoll
  • UsukiDoll
thanks :). I caught someone using an algebra calculator and citing it as the source of the answer.
Astrophysics
  • Astrophysics
By the way, PEDMAS stands for P = parenthesis E = exponents D = division M = multiplication A = addition S = subtraction Going in that order for the operation :P, just a little note if OP doesn't know haha.
UsukiDoll
  • UsukiDoll
B -> bracket.
Astrophysics
  • Astrophysics
\[\huge \checkmark\]
anonymous
  • anonymous
so what is it or r u guys helping me solve it
UsukiDoll
  • UsukiDoll
we're helping you solve it \[-4.5[2x-(0.5-1.4)] \] we consider the bracket first then since there is a () and P is present we need to solve 0.5-1.4
Astrophysics
  • Astrophysics
Sorry to intrude like that Usuki, I will let you continue, good luck :)
UsukiDoll
  • UsukiDoll
so what is 0.5-1.4 ?
anonymous
  • anonymous
-0.9
UsukiDoll
  • UsukiDoll
yes
UsukiDoll
  • UsukiDoll
\[-4.5[2x-(-0.9)]\]
UsukiDoll
  • UsukiDoll
now we need to distribute the negative so -0.9 becomes positive
UsukiDoll
  • UsukiDoll
\[-4.5[2x+0.9]\] we can't combine 2x and 0.9 because x is a variable and we have a constant (a number) so we can go ahead and distribute the -4.5 throughout the whole equation
UsukiDoll
  • UsukiDoll
so what is -4.5(2x) same as -4.5 times 2x and -4.5 x 0.9
UsukiDoll
  • UsukiDoll
you just have to compute -4.5 x 0.9 and -4.5(2x)
UsukiDoll
  • UsukiDoll
and then by doing those computations... this is the answer -9x-4.05

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