anonymous
  • anonymous
Need Help In Math!
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
1. What is the simplified form of the following expression? 7m2 + 6.5n – 4n + 2.5m2 – n (1 point) 9.5m2 + 1.5n 4.5m2 + 1.5n 1.5m2 – 4.2n 9.5m2 – 1.5n
anonymous
  • anonymous
Simplify the following expression. expression (1 point) 7m + 27 7m + 9 63m + 9 7m + 81
anonymous
  • anonymous
3. What is the sum?

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anonymous
  • anonymous
Which property is illustrated by the following statement? Associative Property of Addition Commutative Property of Multiplication Inverse Property of Multiplication Commutative Property of Addition
zepdrix
  • zepdrix
\[\large a+(b+c)=(a+b)+c \qquad\color{royalblue}{\text{Associative Property}}\]\[\large a(b)=(b)a \qquad\color{royalblue}{\text{Commutative Property of Multiplication}}\]\[\large a+b=b+a \qquad\color{royalblue}{\text{Commutative Property of Addition}}\]
zepdrix
  • zepdrix
That's for your 4th problem. Do any of those properties look like they're being applied in your problem?
anonymous
  • anonymous
Assoc. Prop.
zepdrix
  • zepdrix
Hmm we don't have any addition in our problem. Notice that the bracket is in front of the negative, so that's not subtraction, it's just a negative number.
zepdrix
  • zepdrix
So it't not the Associative Property (of Addition) :P sorry i forgot to write that lol
anonymous
  • anonymous
Comm. Prop. Of Multi.
zepdrix
  • zepdrix
Yes, good good.
anonymous
  • anonymous
okay thannks

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