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ZanzabumX [31]
3 years ago
14

Which events are independent? Check all that apply. rolling two number cubes at the same time choosing a card, and then flipping

a coin choosing a first, second, and third place winner drawing a name from a hat, keeping it, then drawing another name drawing a marble from a bag, replacing it, then drawing another marble flipping the same coin three times
Mathematics
2 answers:
klemol [59]3 years ago
7 0

Independent events are such events where the occurrence of any one event does not affect the occurrence of any other event.

<u>Part A:</u> rolling two number cubes at same time does not affect outcome of any one cube. It would be Independent events.

<u>Part B:</u> choosing a card, then flipping a coin according to favourable outcome can affect the result. It would be dependent events.

<u>Part C:</u> choosing a winner, keeping it, then choosing another name depends upon remaining persons. It would be dependent events.

<u>Part D:</u> drawing a marble, replacing it, then drawing another marble does not affect number of marbles in the bag. It would be Independent events.

<u>Part E:</u> flipping any coin three times does not affect past or future outcomes. It would be Independent events.

Hence, options A, D, and E are Independent events.

Artyom0805 [142]3 years ago
6 0

Answer:

1.rolling two number cubes at the same time

2.choosing a card, and then flipping a coin

5.drawing a marble from a bag, replacing it, then drawing another marble

6.flipping the same coin three times

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25z+85=90 whats the answer ?
TiliK225 [7]

Answer:

z = 1/5

Step-by-step explanation:

5 divided by 25 is 20 percent and in fractions its 1/5

3 0
3 years ago
1 3 fourth +1half+1 fourth+ 1 half
Leona [35]
The answer is 2
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6 0
3 years ago
Evaluate x - y - (-z) if x = -3, y = -7, and z = -9
IceJOKER [234]
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3 0
2 years ago
I am an improper fraction whose numerator and denominator are made of odd digits only. In my simplest form, my representation as
ASHA 777 [7]

Answer:

The fraction is =  \frac{21}{9}

Step-by-step explanation:

In simplest form the fraction is represented in mixed number as 2\frac{1}{3}.

The fraction form of the mixed number can be given as :

2\frac{1}{3}=\frac{7}{3}

Let the fraction be = \frac{7x}{3x} [As multiplying same numbers to numerator and denominator does not affect the proportion.

Sum of numerator and denominator is = 30

This, can be represented as:

7x+3x=30

Solving for x.

10x=30

Dividing both sides by 10.

\frac{10x}{10}=\frac{30}{10}

x=3

So, the fraction will be = \frac{7\times 3}{3\times 3}

⇒ \frac{21}{9}

3 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
topjm [15]

Answer:  B. neither

<u>Step-by-step explanation:</u>

A function is even when f(x) = f(-x).

A function is odd when f(-x) = -f(x).


f(x) = 2x³ - x²

f(-x) = 2(-x)³ - (-x)²

      = -2x³ - x²

f(x) = 2x³ - x²     ≠    f(-x) = -2x³ - x²     so it is NOT EVEN


-f(x) = -(2x³ - x²)

      = -2x³ + x²

f(-x) = -2x³ - x²     ≠    -f(x)= -2x³ + x²     so it is NOT ODD  


Therefore, it is NEITHER even nor odd.

5 0
3 years ago
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