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3 years ago

Name the property the equation illustrates.

Mathematics

2 answers:

qwelly [4]3 years ago

6 0

Answer:

Option D is correct

Commutative Property of Addition

Step-by-step explanation:

Commutative property of addition states:

for any number x and x we have;

$x+y = y+x$

As per the statement:

Consider:

$8+3.4$

By commutative property of addition we get;

$3.4+8$

⇒ $8 + 3.4 = 3.4 + 8$

Therefore, the property the equation illustrates is, Commutative Property of Addition

grandymaker [24]3 years ago

5 0

Commutative property
a+b=b+a

D

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Black_prince [1.1K]

Answer:

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3 years ago

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$\qquad\qquad\huge\underline{{\sf Answer}}♨$

Let's solve ~

Assume width of rectangle be " x ", length = 3×width + 8 = 3x + 8 ~

Now, Perimeter of rectangle is :

$\qquad \sf \dashrightarrow \:2(l + w) = 56$

$\qquad \sf \dashrightarrow \:2(3x + 8 + x) = 56$

$\qquad \sf \dashrightarrow \:2(4x + 8) = 56$

$\qquad \sf \dashrightarrow \:4x + 8 = 56 \div 2$

$\qquad \sf \dashrightarrow \:4x + 8 = 28$

$\qquad \sf \dashrightarrow \:4x = 28 - 8$

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$\qquad \sf \dashrightarrow \:x =5 \: cm$

Hence, width = x = 5 cm

$\qquad \sf \dashrightarrow \:l = 3w + 8$

$\qquad \sf \dashrightarrow \:l = 3(5)+ 8$

$\qquad \sf \dashrightarrow \:l = 15+ 8$

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Step-by-step explanation:

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