2 years ago

Does the commutative property work for subtraction and division? no yes

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

6 0

Answer:

NO!

Step-by-step explanation:

:-p

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A bag contains 6 black marbles and 4 white marbles. Sally takes out a black marble and does not put it back. What is the probabi

Neko [114]

Answer:

$\frac{5}{9}$

Step-by-step explanation:

$Total\ marbles=10\\\\Black=6\\\\White=4$

After removing one black marble:

$Total\ remaining\ marbles=9\\\\Remaining\ Black=5\\\\P(Black)=\frac{Remaining\ Black\ marbles}{Total\ remaining\ marbles}\\\\P(Black)=\frac{5}{9}$

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3 years ago

How many solutions does this system have?

BigorU [14]

12x - 4y = -8

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Rewrite the first equation

12x + 8 = 4y

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As you see, the first and second equation are actually the same, meaning there's an infinite number of solutions.

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The answer to the question is 0.048

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3 years ago

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If Lalo has 5 apples and tito took 3 the answer is 2

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52% of ______ days is 13 days.

abruzzese [7]

'of' in mathematics means multiplication
'is' in mathematics means equal

52% * x = 13

52/100 * x = 13

0.52x = 13

x = 13/0.52

x = 25

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8 0

3 years ago