MATHEMATICS MIDDLE SCHOOL

Simplify the expressions:

3x-1/3x+1

Answers

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Indicate which property is illustrated in Step 1.Step 1 5 + (3 + 10) + 0 = 5 + (10 + 3) + 0
Step 2 = (5 + 10) + (3 + 0)
Step 3 = (5 + 10) + 3
Step 4 = 15 + 3
a associative property of multiplication
b commutative property of addition
c identity property of addition
d associative property of addition

Answers

It's d because first off the operation is addition and the second part is because when you use the associative property you use the arrows.

Final answer:

The associative feature of addition is demonstrated in Step 1. This characteristic indicates that grouping numbers has no effect on the total.

Explanation:

In Step 1, the associative feature of addition is demonstrated, indicating that grouping numbers doesn't affect the total. The commutative feature is demonstrated by rearranging 5 + (3 + 10) + 0 as 5 + (10 + 3) + 0. This property means that the sequence of numbers added doesn't affect the final amount, allowing for swapping 3 and 10. The remaining qualities, such as the associative property of multiplication, identity property of addition, and associative property of addition, don't apply directly to the rearrangement in Step 1.

Learn more about associative property of addition here:

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During unusually cold weather, the temperature in Miami beach was 10'C. This was 12 degrees more than in Tallahassee. What is the temperature Tallahassee

Answers

Answer:

-2°

Step-by-step explanation:

We have that the temperature in Miami beach was 10° C.

Also, this temperature is 12° more than the temperature in Tallahassee.

So, we get that,

Temperature in Miami = 12°  + Temperature in Tallahassee

i.e. Temperature in Tallahassee = Temperature in Miami - 12°

i.e. Temperature in Tallahassee = 10° - 12°

i.e. Temperature in Tallahassee = -2°

Hence, the temperature in Tallahassee is -2°.
The answer is -2'C !! ^_^

jon buys packages of pens for $5 each. identify the independent and dependent variables in the situation

Answers

The independent variables is the number of packages and the dependent variable is the price of the pens
The independent variable is the variable that is changed and manipulated, and the dependent variable is the outcome of this change. So the independent variable is the number of packs that Jon buys, and the dependent variable is the overall cost. Additionally, the constant variable is the cost of the pens ($5) because that stays the same.

The division of a whole number N by 13 gives a quotient of 15 and a remainder of 2. Find N

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This means that N = 13 * 15 + 2
N = 197

Marco bought a new TV for his house that cost $1,500. The TV had a rebate of $350. What was Marco’s final cost for the TV after the rebate was applied?

Answers

Answer:

$1,150

Step-by-step explanation:

$1,500-$350=$1,150

Answer:

The final cost of the TV is $1150

Step-by-step explanation:

1500-350=1150

Which answer shows this equation in standard form?8 - 4(x + y) = -6x + 6

A. -10x + 4y = -2

B. 2x + 4y = -2

C. 2x + 4y = 2

D. 2x - 4y = -2

Answers

The Standard Form equation of a line has the following formula: 
ax+by=c ; a≠0 ; b≠0 ;

Then, 8 - 4x - 4y = -6x + 6 ;
-4x + 6x - 4y = 6 - 8 ;
2x - 4y = - 2 ;
The answer is D. !
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