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Rainbow [258]
3 years ago
6

What property would you use to find an equivalent expression for 8 + ( 7 + 9)?

Mathematics
2 answers:
antoniya [11.8K]3 years ago
5 0

Answer:

associative property using this question

marissa [1.9K]3 years ago
4 0

Answer:

Associative Property

Step-by-step explanation:

  1. I would use the Associative Property because it states that you can add any numbers together no matter how they are separated or grouped (with parentheses).
  2. Knowing what we said in step 1, here are some other ways you can write the expression given (they are written in the steps below)
  3. 8 + 7 + 9
  4. (8 + 7) + 9
  5. (8 + 9) + 7

I hope this helps!

You might be interested in
A group of 45 students went to a basketball game.
monitta

Answer:

See below. (C*a) + (P*b) = M

Step-by-step explanation:

amount of students = 45

amount of candy per student = 1

amount of popcorn per student = 1

Let "S" be the total amount of students

Let "C" be the total amount of candy

Let "P" be the total amount of popcorn

Let "T" be the total number of snacks

Let "a" be the price per candy

Let "b" be the price per popcorn

Let "M" be the total amount of money spent at the game

The price of the candy is unknown.

The price of the popcorn is unknown.

The total amount of money spent at the game is unknown.

(C*a) + (P*b) = M

I am not sure what you are asking for but, here is what I drew up for you. Hope this helps!

7 0
3 years ago
The cost of a parking permit consists of a one-time administration fee plus a monthly fee. a permit purchased for 12 months cost
julsineya [31]

let

x--------> the monthly fee

y--------> the administration fee

we know that

660=y+12x --------> equation 1

810=y+15x --------> equation 2

Multiply by -1 equation 1

-660=-y-12x ------> equation 3

Adds equation 2 and equation 3

810=y+15x\\-660=-y-12x\\---------\\   810-660=15x-12x\\ 3x=150\\ x=50\ dollars

Find the value of y

660=y+12x\\ 660=y+12*50\\ y=660-600\\ y=60\ dollars

therefore

the answer is

the administration fee is equal to 60\ dollars

4 0
3 years ago
Read 2 more answers
Which inequality is true?
Andreas93 [3]

Answer:

2 awnser is the right on

5 0
3 years ago
!*I NEED HELP AND QUICK*!
rewona [7]
1)96/8=12
2)(95*6+5)/6 : (24+1)/3 = (95*6+5)/6 : 2*25/6 = 575/6 *6/50=575/50
=23/2=11 1/2
11 1/2

3) (11 1/2)*12 area of the one  type of the wall, there are 2 such walls
 (11 1/2)*12*2
(8 1/3)*12 area of the second type of the wall, there are 2 such walls
(8 1/3)*12 *2

Altogether area of the walls:
(11 1/2)*12*2 + (8 1/3)*12 *2=12*2(11 1/2 + 8 1/3)= =24(19+3/6+2/6)=24(19+5/6) = 456 +24*(5/6)= 456+20= 476

Tamara needs total 476  square feet, which is less than 480 square feet, so she has enough paint.



5 0
4 years ago
10. Solve using substitution.<br> x - 2y = 3 3x + y = -5
nasty-shy [4]

Move all terms that don't contain x to the right side and solve.

x=−5/3−y/3

plz mark me as brainliest :)

5 0
3 years ago
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