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ArbitrLikvidat [17]
3 years ago
7

What is a commutative property of addition mean

Mathematics
2 answers:
Sphinxa [80]3 years ago
8 0
The word "commutative" comes from "commute" or "move around", so the Commutative Property is the one that refers to moving stuff around. For addition, the rule is "a+b=b+a"; in numbers, this means 2+3=3+2. For multiplication, the rule is "ab=ba"; in numbers, this means 2x3=3x2.
vivado [14]3 years ago
6 0
The commutative property of addition means that when you see a problem, you change the order. The co in commutative means change order. That's what my teacher told me.
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Let ? = {a, b, c} be a sample space. let m(a) = 1/2, m(b) = 1/3, and m(c) = 1/6. find the probabilities for all eight subsets of
Leviafan [203]
<span>
A= {a,b,c} . Since this set has 3 elements, the number
of its total subset is 2³ = 8 (including the Ф element):

Here below all the subsets of {a,b,c}, with their related probabilities, knowing that P(a) = 1/2 ; P(b) = 1/3 and P(c) = 1/6

{a}        </span>→→→→1/2
<span>{b}        </span>→→→→1/3
<span>{c}        </span>→→→→1/6
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<span>{a,c}     </span>→→→→1/2 + 1/6  =  2/3
<span>{b,c}     </span>→→→→1/3 + 1/6  =  1/2
<span>{a,b,c}  </span>→→→→1/2 + 1/3 + 1/6 = 1
<span>{∅}       </span>→→→→0 =0
5 0
3 years ago
Allen's miniature train travels at a rate of 20 meters in 2 minutes. At this rate, how far will the train travel in 10 minutes?
Sav [38]

Answer:

100 meters  20/5=100

Not sure about the second one

hope this helps

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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aleksandr82 [10.1K]
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