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mestny [16]
3 years ago
14

Evaluate the expression for the given value of x.−4x + 7 for x = −4

Mathematics
2 answers:
docker41 [41]3 years ago
5 0

Answer:

23

Step-by-step explanation:

-4x+7

-4(-4)+7=16+7=23

solmaris [256]3 years ago
5 0

Answer:

23

Step-by-step explanation:

-4x + 7 =

-4(-4) + 7 =

16 + 7 = 23

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Answer:

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Step-by-step explanation:

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3 years ago
A bag contains two black balls, three white balls, and four red balls. Three balls are drawn at random without replacement. Let
Zolol [24]

Answer:1/3

Step-by-step explanation:

This is an independent event i.e the occurrence of one does not affect the other

Finding E(Y2|Y1) means E(Y2) i.e probability that Y2 is selected if it is E(Y1|Y2), this means probability of drawing Y1.

Since this an independent event,

E(Y2|Y1) =E(Y2)

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7 0
3 years ago
The Captain has probability \dfrac{1}{2} 2 1 ​ start fraction, 1, divided by, 2, end fraction of hitting the pirate ship. The pi
Daniel [21]

Answer:

0.083 is the required probability.

Step-by-step explanation:

We are given the following in the question:

Probability of captain hitting pirate's ship =

P(A) = \dfrac{1}{2}

Probability of pirate hitting the captain's ship =

P(B) = \dfrac{1}{6}

Probability that both the pirate and the Captain hit each other's ships:

P(A\cap B) = P(A)\times P(B)

Putting values, we get,

P(A\cap B) =\dfrac{1}{2}\times \dfrac{1}{6} = \dfrac{1}{12} \\\\P(A\cap B) = 0 .083

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3 years ago
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