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rjkz [21]
3 years ago
15

What are the factors of m2 – 12m + 20?

Mathematics
2 answers:
skad [1K]3 years ago
6 0

Answer:

To make it simpler than the answer on top of this one the ANSWER IS B

Step-by-step explanation:

amm18123 years ago
5 0
M² - 12m + 20

m² ⇒ m * m
20 ⇒ - 10 * -2

(m - 10)(m - 2)
m(m - 2) - 10(m-2)
m² - 2m - 10m + 20
m² - 12m + 20

m - 10 = 0
m = 10

m - 2 = 0
m = 2

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Vladimir79 [104]

Answer: Our required probability is 0.3387.

Step-by-step explanation:

Since we have given that

Number of red cards = 4

Number of black cards = 5

Number of cards drawn = 5

We need to find the probability of getting exactly three black cards.

Probability of getting a black card = \dfrac{5}{9}

Probability of getting a red card = \dfrac{4}{9}

So, using "Binomial distribution", let X be the number of black cards:

P(X=3)=^5C_3(\dfrac{5}{9})^3(\dfrac{4}{9})^2\\\\P(X=3)=0.3387

Hence, our required probability is 0.3387.

5 0
3 years ago
Find the mean and the MAD. [Note: Type your answers as decimal numbers, rounded to the nearest tenth.] 135, 160, 145, 155, 170,
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Answer:

Mean = 151

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Step-by-step explanation:

Given the data:

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Mean = 151

Mean absolute DEVIATION (MAD) : Σ(x - μ) / n

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8 0
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Answer:

Step-by-step explanation:

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