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r-ruslan [8.4K]
3 years ago
14

Probability help!!!!!

Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Let A be the event A=\{choosing \;an \;odd \;number\} and B be the vent B=\{choosing \;an \;even \;number\}. Since the intersection of the events A\cap B=\phi, the events A and B are mutually exclusive.

The number is either odd or even. Since P(A)+P(B)=1, the events are mutually exclusive and exhaustive.

Correct choice is "the number is either odd or even".

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G(x)=x^2+4x<br> Find G(-z)
ivanzaharov [21]
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8 0
4 years ago
Between July 28 and 30 of last year over 41.2 cm​ (about 16 ​inches) of rain fell in a city. The normal total monthly rainfall i
ZanzabumX [31]

The amount more of rain that fell in those three days than normally falls in July and August combined was 31.19 cm.

<h3>How much more rain fell in those three days?</h3>

The amount of rain in those three days was 41.2 cm.

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6 0
1 year ago
0.000456 in scientific notation (Please answer fast this is on my final math exam!)
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Answer:

0.000456 in scientific notation

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Step-by-step explanation:

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3 0
3 years ago
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3 years ago
Which algebraic expression repesents the phrase? Cindy studied seven more hours than Nikki studied. a. n+7 b. 7-n c. 7n d. n/7
elixir [45]

Answer:

Option a is the correct choice.

Step-by-step explanation:

Let n be number of hours studied by Nikki.

We are told that Cindy studied seven more hours than Nikki studied. This means that number of hours studied by Nikki plus 7 hours equals to the number of hours studied by Cindy.    

We can represent this information in an expression as :

\text{The number of hours studied by Cindy}=n+7

We can see from our given choices that expression given in option a represents the number of hours studied by Cindy in terms of hours studied by Nikki.

Therefore, option a is the correct choice.


3 0
3 years ago
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