2 years ago

What related number sentence shows the Commutative Property of Addition? 3+9=12

2 answers:

azamat2 years ago

8 0

The commutative property of addition is the concept that a given group of numbers can be added in any order and their sum will always be the same.

Example:
3 + 9 = 12
9 + 3= 12

FrozenT [24]2 years ago

4 0

Commutative property of addition is when 3+9=12 and 9+3=12.

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Let L be the line with parametric equations x=2+t, y=1-t, z=1+3t.Let v=(1,2,0).Find vectors w1 and w2 such that v= w1 + w2, and

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w1 = (-1/11, 1/11, -3/11)

w2 = (12/11, 21/11, 3/11)

Step-by-step explanation:

Direction ratio of w1 = Direction ratio of L (because parallel) = K+(1, -1, 3)

Let <a,b,c> be direction ratio of w2.

Then, <a,b,c>. <1,-1,3> = 0

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