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IrinaVladis [17]
3 years ago
12

Which of the following shows why the commutative property doesn't work under subtraction

Mathematics
2 answers:
Annette [7]3 years ago
5 0
Hello!  To answer your question, you first need to know what the commutative property is and does.  Down to the basics, it lets you switch around numbers and it would allow me to say that 2+5=7 and 5+2=7.  This property also works in multiplication, because if I take 4*2=8, and 2*4 still equals 8.  Now that I've either refreshed or hopefully helped you to understand the property better, why wouldn't it work under subtraction?  If you switch numbers around in subtraction, will your answer still be the same?  Once you answer that, take a peak at the worksheet!  I hope this has helped in some way, and if you have any further questions send me a question or another message.  Good luck :)
siniylev [52]3 years ago
3 0

Answer with explanation:

Commutative property under subtraction:

If a and b are any two real numbers such that,⇒ a-b =b-a, then we say that ,a and b Satisfy Commutative property under Subtraction.

Take any two real numbers

a=5.6

And,b=7

→a-b

=5.6-7

= -1.4

→b-a

=7-5.6

=1.4

So,a-b≠b-a

Therefore  , we can say that, real numbers doesn't satisfy commutative property under subtraction.

Option D: ⇒5-1≠1-5

This statement shows that, commutative property doesn't work under subtraction.

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What is the domain of f(x)=(1/2)^x
PSYCHO15rus [73]

Answer:

Domain: all real numbers

Step-by-step explanation:

The domain of a function is the set of values that x can be replaced with.

In this function, x can be replaced by any real number, so the domain of the function is all real numbers.

plz mark me as brainliest :)

8 0
2 years ago
The following data table represents the total cost of a monthly cell phone bill as a function of the number of minutes that the
Mnenie [13.5K]

Answer:

$310.00 is the monthly payment if the phone was used for a total of 2,500 minutes.

Step-by-step explanation:

Since 500 minutes gets $62.00, we can multiply both to get 2,500 minutes, and $310.00.

<h2><u>Hope This Helped!</u></h2>
5 0
3 years ago
Ştiind că a . b = 2 019 şi a c= 2019, calculați a. (b-c)
siniylev [52]

Answer: a × ba × c = a (bc) = 0

a × ba × c = 2019-2019 = 0

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
. How long does it take hair to grow 8 inches?
Veronika [31]

First of all, I do not see the need for the very long pause before the question. It just makes people like me have a harder job answering. But ok, here we go.


On average, it will take 9–10 months for that growth to occur.

However, look at this answer to the question, and read it carefully before using the above as an answer.

The length of time it takes to go from shorter to longer hair depends on whether you're starting from a pixie cut or a bob, and whether you're aiming for ponytail length or Rapunzel locks. It also hinges on the condition of your hair, what kind of nutrition you're consuming, how often you're trimming and how much you're stressing out your tresses along the way. Start from the inside and work your way out to add inches to your hair length in the least amount of time.

Beauty begins on the inside, and long, lustrous locks are no exception. A diet balanced in fruits, vegetables, protein and calcium is a good start, but ask your doctor if adding a supplement is in order. Hair can benefit from iron, which helps oxygenate strands, and zinc, which also aids in growth. Biotin and other B-complex vitamins help plump up hair thickness while adding healthy shine. Vitamin D can help keep follicles on a regular growth schedule. Foods and vitamin supplements that feed the hair can also give skin and nails a boost for a complete healthy makeover.

For the second question:

If you would like to know how much a 93-pound person weighs on the Moon, you can calculate this using the following steps:


120 pounds on the Earth ... 20 pounds on the Moon

93 pounds on the Earth ... x pounds on the Moon = ?


120 * x = 20 * 93      /120

x = 20 * 93 / 120

x = 15.5 pounds on the Moon


The correct result would be 15.5 pounds on the Moon.

3 0
3 years ago
Three swimmers competed in a 50 m freestyle race. A description of their swimming speeds is given. Order the swimmers from first
alexandr1967 [171]

Answer:

terrance then mike then nathan

Step-by-step explanation:

3 0
3 years ago
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