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3 years ago

Which expression correctly shows the Commutative property?

Mathematics

2 answers:

pav-90 [236]3 years ago

4 0

8+14+22+9= 8+22+14+9
The answer is d

VashaNatasha [74]3 years ago

3 0

Commutative property :
-8 + 14 + 22 + 9 = -8 + 22 + 14 + 9

it basically means u can " commute " the numbers...move them around...and it does not change the result...u see how the 14 and 22 were " moved around "....and it did not change the result

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Type the correct answer in each box. If necessary, use / for the fraction bar(s).

Tom [10]

Given:

The values are $a=0.\overline{6},b=0.75$ .

To find:

The values of $ab$ and $\dfrac{a}{b}$ .

Solution:

We have,

$a=0.\overline{6}$

$a=0.666...$ ...(i)

Multiply both sides by 10.

$10a=6.666...$ ...(ii)

Subtracting (i) from (ii), we get

$10a-a=6.666...-0.666...$

$9a=6$

$a=\dfrac{6}{9}$

$a=\dfrac{2}{3}$

And,

$b=0.75$

$b=\dfrac{75}{100}$

$b=\dfrac{3}{4}$

Now, the product of a and b is:

$ab=\dfrac{2}{3}\times \dfrac{3}{4}$

$ab=\dfrac{1}{2}$

The quotient of a and b is:

$\dfrac{a}{b}=\dfrac{\dfrac{2}{3}}{\dfrac{3}{4}}$

$\dfrac{a}{b}=\dfrac{2}{3}\times \dfrac{4}{3}$

$\dfrac{a}{b}=\dfrac{8}{9}$

Therefore, the required values are $ab=\dfrac{1}{2}$ and $\dfrac{a}{b}=\dfrac{8}{9}$ .

6 0

2 years ago

A plane covers 2,160 miles in 5.5 hours. what is the average speed of the plane to the nearest tenth?

pantera1 [17]

2160 divided by 5.5 = 392.7 hopefully this is right!

8 0

2 years ago

Read 2 more answers

HELPPPPPPPPPPPPPPPPPPPPP!!!!!!!!

Vlada [557]

Answer:

i belive it was 750.

Step-by-step explanation:

4 0

2 years ago

I need help with this one

Vesna [10]

Answer:

Step-by-step explanation:

7779.949783~7779.94978

5 0

3 years ago

Read 2 more answers

Subtract 6x^2-5x+3 from (3x^2+8x-4)

Art [367]

3x^2 + 8x - 4 - (6x^2 - 5x + 3)....distribute thru the parenthesis
3x^2 + 8x - 4 - 6x^2 + 5x - 3 .....combine like terms
-3x^2 + 13x - 7 <==

8 0

2 years ago