All properties of math

Mathematics

2 answers:

Romashka [77]2 years ago

6 0

Answer:

There are four mathematical properties which involve addition. The properties are the commutative, associative, identity and distributive properties.

Step-by-step explanation:

Commutative Property: When two numbers are added, the sum is the same regardless of the order of the addends.

Associative Property: When three or more numbers are added, the sum is the same regardless of the grouping of the addends.

Identity Property: The sum of any number and zero is the original number.

Distributive Property: The sum of two numbers times a third number is equal to the sum of each addend times the third number.

Hope this helps :)

Vaselesa [24]2 years ago

3 0

Answer:commutative, associative, additive identity and distributive property

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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2 years ago

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Find two numbers if their sum is 6.1 and their difference is 1.6

Radda [10]

For this case, the first thing we must do is define variables:
x: unknown number (1)
y: unknown number (2)
We now write the equations that model the problem:
their sum is 6.1:
$x + y = 6.1
$
their difference is 1.6:
$x - y = 1.6
$
Solving the system we have:
We add both equations:
$x + x = 6.1 + 1.6

2x = 7.7

x = 7.7 / 2

x = 3.85$
Then, we look for the value of y using any of the equations:
$x - y = 1.6

y = x - 1.6

y = 3.85 - 1.6

y = 2.25$
Answer:
The numbers are:
$x = 3.85

y = 2.25$