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Vikentia [17]
3 years ago
9

Show the work please thanks

Mathematics
2 answers:
ladessa [460]3 years ago
4 0
B because I learn this before
Inga [223]3 years ago
3 0
The answers would be B
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If A and B are independent events and P(A) and P(B) are both greater than 1/2
elixir [45]

Answer:

P(A and B) is greater than 1 is never happened ⇒ C

Step-by-step explanation:

Two events are independent if the result of the second event is not  affected by the result of the first event

If A and B are independent events, the probability of both events  is the product of the probabilities of the both events  P (A and B) = P(A) · P(B)

∵ The probability of any event is less than 1

∵ P(A) < 1

∵ P(A) > \frac{1}{2}

- That means P(A) is greater than half and less than 1

∴ \frac{1}{2} < P(A) < 1

∵ P(B) < 1

∵ P(B) > \frac{1}{2}

- That means P(B) is greater than half and less than 1

∴ \frac{1}{2} < P(B) < 1

∵ P(A and B) = P(A) . P(B)

- Remember the product of any fractions less than 1 is less than 1

∴ \frac{1}{4} < P(A) . P(B) < 1

- That means any expression equals to P(A) . P(B) must be greater

   than \frac{1}{4} and less than 1

∴ \frac{1}{4} < P(A and B) < 1

∴ P(A and B) is greater than 1 is never happened

7 0
3 years ago
Which expression is a trinomial?
DanielleElmas [232]

Answer:

Ans is 2 x square + 2x - 4 because the sign in this ans contains +, -  divided into three part. which is trinomial

plz rate 5 star + thanks i need 1 brainliest to reach in expert

3 0
3 years ago
Help me please! Ill give 50 points!
sattari [20]

Answer: Decimal form = 8000.407

Step-by-step explanation: I simplified the expression, hope this helps :)

4 0
3 years ago
Y=-x - 3<br> What so the value of x
Sergeu [11.5K]

Answer:

x=−y−3

Step-by-step explanation:

Step 1: Flip the equation.

−x−3=y

Step 2: Add 3 to both sides.

−x−3+3=y+3

−x=y+3

Step 3: Divide both sides by -1.

\frac{-x}{-1} = \frac{y+3}{-1}

x=−y−3

6 0
3 years ago
Which value of x makes the equation true ? <br><br> x - 5.8 = -4.2<br><br> x =
Brrunno [24]
<span>x - 5.8 = -4.2

x = -4.2 + 5.8

x = 1.6

Hope this helps!</span>
5 0
3 years ago
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