Name the property of real numbers illustrated by the equation 2x + 4y = 4y + 2x.
2 answers:
<h2>Answer:</h2>
The property that is illustrated by the equation:
is:
Commutative Property.
<h2>Step-by-step explanation:</h2>We know that for any relation R and for any set A.
If a,b belongs to A.
Then if a is related to b i.e. a R b
then by the commutative property we have:
b is related to a i.e. b R a
Here the terms 2x and 4y are related to each other by addition sign.
i.e. if 2x is related to 4y i.e. 2x+4y
then by commutative property 4y is related to 2x i.e. 4y+2x
Hence by commutative property , we have:
a+b=b+a
i.e.
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Answer:
<em>The perimeter of the pizza slice is 20.1 cm</em>
Step-by-step explanation:
<u>Perimeter of a Sector of a Circle</u>
The arc length of a sector of a circle of radius r and angle θ is given by:
L = rθ
The angle must be expressed in radians.
The total perimeter of the circular sector, including the two radii, is:
P = rθ + 2r
The pizza slice has a radius of r=7 cm and a central angle of θ=50°
Converting to radians:
The perimeter is:
Calculating:
P = 20.1 cm
The perimeter of the pizza slice is 20.1 cm