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marissa [1.9K]
3 years ago
10

1 + 3 + 4 = 4 + 3 + 1. What property is being described here?

Mathematics
2 answers:
777dan777 [17]3 years ago
8 0

Answer: Commutative property of addition

Step-by-step explanation:

Marina86 [1]3 years ago
8 0

\huge\textsf{Hey there!}

\large\text{1 + 3 + 4 = 4 + 3 + 1}

\large\text{1 + 3 + 4}

\large\text{4 + 4}

\large\text{= \bf 8}

\large\text{4 + 3 + 1}

\large\text{7 + 1}

\large\text{= \bf  8}

\large\text{\bf 8 = 8}

\large\textsf{We could remove Option C. because there’s no sign of multiplication.}

\large\textsf{This leaves us to Option A and Option B because the equation(s) has}\\\large\textsf{sum/addition}

\large\textsf{Associative Property of Addition formula is:}

\bullet\large\text{ \bf (a + b) + c = a + (b + c)}

\large\textsf{Commutative Property of Addition formula is:}

\bullet\large\text{ \ \bf a + b = b + a}

\boxed{\boxed{\large\textsf{Answer: \huge \bf Commutative Property of Addition}}}\\\boxed{\huge\textsf{(Option B.)}}\huge\checkmark

\large\textsf{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

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Vilka [71]
Comment
|First of all, the triangles are equal by ASA the way the diagram has been marked.

B and E are both right angles.
Side BC = Side DE
<BCA =< EDA 

So triangle BCA = triangle EDA

Now to the letters.
x = y - 1                 Add 1 to both sides.
x + 1 = y                (1)
3x - 2 = 2y + 1       Subtract 1 from both sides.
3x -2 - 1 = 2y
3x - 3 = 2y             Divide by 2
3x/2 - 3/2 = 2y/2
1.5x - 1.5 = y    (2)

Step One
Since (1) and (2) both have y isolated on their respective right sides, they can be equated.

1.5x - 1.5 = x + 1       Take an x from both sides.
0.5x - 1.5 = x - x + 1
0.5x - 1.5 = 1           Add  1.5 to both sides.
0.5x =  1 + 1.5
0.5x = 2.5                 Divide 0.5 on both sides.
0.5x/0.5 = 2.5/0.5

x = 5

Now we need a y value.
x = y - 1 
5 = y - 1 Add 1 to both sides.
5 + 1 = y - 1 + 1
6 = y 

So the 2 sides and the 2 angles are equal when 
x = 5
y = 6

C Answer <<<<<<



 


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exis [7]

Answer:

The midpoint of the segment is (-0.5,0.5).

Step-by-step explanation:

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2 years ago
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