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cestrela7 [59]
3 years ago
13

Which property is not used to simplify the following expression?

Mathematics
2 answers:
mash [69]3 years ago
6 0
Commutative property or addition
r-ruslan [8.4K]3 years ago
5 0

(x + 2) * 5 = 5(x + 2) commutative property of multiplication


5(x + 2) = 5x + 10 distributive property of multiplication over addition


(5x + 10) - 7 = 5x + (10 - 7) associative property of addition


The only listed property that was not used was commutative property of addition.

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The line plot shows the measurement of a certain liquid (in milliliters) in nine beakers. If you combined the liquids and then p
Snezhnost [94]
The plot shown is a histogram, not a line plot.

The average quantity is
.. (2*1/4 +2*3/8 +2*1/2 +5/8 +3/4 +7/8)/(2 +2 +2 +1 + 1 + 1)
.. = (4 1/2)/9 = 1/2

Each beaker would have 1/2 milliliters.
3 0
3 years ago
Apply Laws of Exponents to write an equivalent expression.<br> (3y)-4. (2z)-4
Stels [109]

After Applying Laws of Exponents we can write as (6yz)^{-4}

<h3>What is law of exponents ?</h3>

The exponent of a number indicates how many times a number has been multiplied by itself. For instance, 34 indicates that we have multiplied 3 four times. Its full form is 3 3 3 3. Exponent is another name for a number's power. A whole number, fraction, negative number, or decimal are all acceptable.

<h3>How are powers of powers multiplied?</h3>

Exponents with distinct bases and the same powers can be multiplied by multiplying the bases and writing the power outside of the brackets.

a^{n} .b^{n} =(a.b)^{n}

=3y^{-4} . 2z^{-4}

=3y^{-4} . 2z^{-4}

= (6yz)^{-4}

To know more about law of exponents visit :

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4 0
2 years ago
You want to buy a new cell phone. The sale price is $149 $ 149 . The sign says that this is $35 $ 35 less than the original cost
PIT_PIT [208]
The original cost 35 more than this one. Therefore:
149+
5 0
3 years ago
C-0.2c<br> Which other expression could Kelly use to calculate her cost before sales tax?
goldenfox [79]

Answer:

C - (C/100x20)

Step-by-step explanation:

Cost minus the tax

the tax is 20 percent therefore cost divided by 100 times 20

4 0
4 years ago
PLEASE HELP FOR EACH OF THE FIGURES, WRITE AN ABSOLUTE VALUE EQUATION
Likurg_2 [28]

The solution set 0 and 8 are the true values of the absolute value equation

The absolute value equation that has the a solution set of 0 and 6 is |x - 3| = 3

<h3>How to determine the absolute value equation?</h3>

From the figure, the solution sets of the absolute value equation are given as:

x = {0, 6}

Calculate the mean of the solution set

Mean = 0.5 * (0 + 6)

Mean = 3

Calculate the difference of the solution set divided by 2

Difference = (6 - 0)/2

Difference = 3

The absolute value equation is the represented as:

|x - Mean| = Difference

Substitute known values

|x - 3| = 3

Hence, the absolute value equation that has the a solution set of 0 and 6 is |x - 3| = 3

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5 0
2 years ago
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