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Murrr4er [49]
3 years ago
13

What is the he measure of angle C

Mathematics
1 answer:
photoshop1234 [79]3 years ago
4 0

Answer:

18

Step-by-step explanation:

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Encontrar la Esperanza Matemática y Desviación Estándar del número de imperfecciones (y) en pizarra acrílica. (2 puntos) y 0 1 2
fredd [130]

Responder:

1,625; 0.8569

Explicación paso a paso:

y ___0 ____ 1 ____ 2 ____3

P (y) _1 / 8 ___ ¼ ___ ½ ____ 1/8

Valor esperado (E (x)): Σx * p (x)

= (0 * (1/8)) + (1 * (1/4)) + (2 * (1/2)) + (3 * (1/8)) = 1,625

La desviación estándar = sqrt (Var (x))

Var (X) = Σx²p (x) * E (x) ²

Var (X) = [(0 ^ 2 * (1/8)) + (1 ^ 2 * (1/4)) + (2 ^ 2 * (1/2)) + (3 ^ 2 * (1 / 8))] - 1.625²

Var (X) = (0 * (1/8)) + (1 * (1/4)) + (4 * (1/2)) + (9 * (1/8)) - 1.625 ^ 2

= 3.375 - 2.640625

= 0,734375

Desviación estándar = Sqrt (0,734375) = 0,8569

7 0
3 years ago
I NEED HELP FAST PLEASE!
Zinaida [17]

Answer:

Step-by-step explanation:

1.5 + 5 = 6.5

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if you and your friend went swimming for 10 hours, then came back because they forgot something, then swam for 11 hours, how man
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Answer:

21 hours

Step-by-step explanation:

You and your friend swam for 10 hours then took a break then swam for 11 so 10+11=21 so you and your friend swam for 21 hours all together.

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Ken and Tami are making necklaces. Ken makes 25 necklaces. Tami makes m more necklaces then Ken. Which expression represents the
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Step-by-step explanation

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Answer:

the number of irrational numbers between 2 and 3 are √5, √6, √7, and √8,

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these are not perfect squares and cannot be simplified further.

#HopeIthelps

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