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sdas [7]
3 years ago
15

Expand and simplify (x-3)(2x+1)(x+1)

Mathematics
1 answer:
Vladimir [108]3 years ago
6 0

Answer:

2 3 − 3 2 − 8 − 3

Step-by-step explanation:

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Let AA and BB be events such that P(A∩B)=1/73P(A∩B)=1/73, P(A~)=68/73P(A~)=68/73, P(B)=21/73P(B)=21/73. What is the probability
krok68 [10]

Answer:

P(A \cup B) = \frac{5}{73} +\frac{21}{73} -\frac{1}{73}=\frac{25}{73}

Step-by-step explanation:

Let A and B events. We have defined the probabilities for some events:

P(A') =\frac{68}{73} , P(B) =\frac{21}{73} , P(A \cap B) =\frac{1}{73}

Where A' represent the complement for the event A

The complement rule is a theorem that provides a connection between the probability of an event and the probability of the complement of the event. Lat A the event of interest and A' the complement. The rule is defined by: P(A)+P(A') =1

So for this case we can solve for P(A) like this:

P(A) = 1-P(A') = 1-\frac{68}{73}=\frac{5}{73}

And now we can find P(A \cup B) using the total probability rul given by:

P(A \cup B) = P(A)+P(B) -P(A \cap B)

And if we replace the values given we got:

P(A \cup B) = \frac{5}{73} +\frac{21}{73} -\frac{1}{73}=\frac{25}{73}

And that would be the final answer.

5 0
3 years ago
Determine which problem matches the given inequality.
sergey [27]

Answer:

There are less than 5 1/2 cups of sugar.

Step-by-step explanation:

E D G E N U I T Y

Have a good day! (◕ヮ◕ヽ)

8 0
3 years ago
Read 2 more answers
HELP ME PLEASE I NEED HELP WITH THIS
fenix001 [56]

Answer:

V = 82,406.16 cm³

Step-by-step explanation:

Volume of a sphere

V = 4πr³/3

V = 4•3.14•27³/3

V = 247,218.48/3

V = 82,406.16 cm³

6 0
2 years ago
Write an expression that is equal to 3 times 2 and 1 /4
koban [17]
3x2x(1/4)= ????? And then u find the answer
6 0
3 years ago
For what values of x is the rational expression below undefined? Cheack all that apply x+8 over x2- 2x- 24
Nimfa-mama [501]
2 times because 2 times is like 2time 8=16
8 0
3 years ago
Read 2 more answers
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