2 years ago

For two apply A and B, P(A)=0.5,and P(A|B)=0.7. Select all of the correct statements

Mathematics

1 answer:

saw5 [17]2 years ago

7 0

Answer:

4456781

Step-by-step explanation:

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If Rebekah had 28 Jolly Ranchers, ate 3, gave 5 to her friend Hayley, and 5 to her friend Audrey, how many Jolly Ranchers does s

dangina [55]

She has 15 left because she had 28 then she at 3 which is now 25 then she gave 5 away which is 20 then she gave 5 more away which is 15. So she ends up with 15

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3 years ago

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What is the perimeter of the triangle? Round to the nearest tenth.

Cerrena [4.2K]

Answer: 19.8 Units

Step-by-step explanation:

The triangle is shown in the attached figure, and have three vertices: $AB$ , $AC$ and $BC$ .

Each vertice represents a point in the cartesian plane and the length of each side of the triangle is the modulus of each vector.

In this sense, the modulus $m$ is calculated as shown:

$m=\sqrt{(x_{2}-x_{1})^{2} + (y_{2}-y_{1})^{2}}$

Hence, for each vector:

$AB=\sqrt{(-2-3)^{2} + (3-0)^{2}}=\sqrt{34}$

$AC=\sqrt{(-2-(4))^{2} + (3-(-3))^{2}}=\sqrt{40}$

$BC=\sqrt{(-4-3)^{2} + (-3-0)^{2}}=\sqrt{58}$

Now, the perimeter of a triangle is the sum of its three sides:

$AB+AC+BC=\sqrt{34} + \sqrt{40} + \sqrt{58}$

Finally:

$AB+AC+BC=19.77 \approx 19.8$

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3 years ago

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a school held a tennis tournament. after each round one fourth of the players were eliminated. if there were 64 players at the s

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If there are 32 teams in the tournament and 1 winner, there were 31 games. So, 63 - 31 = 32 games.

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Step-by-step explanation:

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