Question

Need Help In Math!

Answer 1

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

Answer 2

Simplify the following expression.

expression (1 point)
7m + 27
7m + 9
63m + 9
7m + 81

Answer 3

3. What is the sum?

Answer 4

Which property is illustrated by the following statement?


Associative Property of Addition
Commutative Property of Multiplication
Inverse Property of Multiplication
Commutative Property of Addition

Answer 5

\[\large a+(b+c)=(a+b)+c \qquad\color{royalblue}{\text{Associative Property}}\]\[\large a(b)=(b)a \qquad\color{royalblue}{\text{Commutative Property of Multiplication}}\]\[\large a+b=b+a \qquad\color{royalblue}{\text{Commutative Property of Addition}}\]

Answer 6

That's for your 4th problem.
Do any of those properties look like they're being applied in your problem?

Answer 7

Assoc. Prop.

Answer 8

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.

Answer 9

So it't not the Associative Property (of Addition) :P sorry i forgot to write that lol

Answer 10

Comm. Prop. Of Multi.

Answer 11

Yes, good good.

Answer 12

okay thannks