2 years ago

Question 18 (5 points)

Mathematics

1 answer:

Nitella [24]2 years ago

8 0

Yea you got this the answer is easy

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I’m pretty sure 40 mph (sister aproved)

Step-by-step explanation:

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Soit trois nombres consécutifs. Lorsque l’on soustrait le double du deuxième nombre du quadruple du

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Answer:

Les trois nombres sont 5, 6 et 7.

Step-by-step explanation:

Soit x le premier nombre.

x + 1 sera le second et x + 2 sera le troisième.

On pose l'équation :

2x + 3(x + 1) = 4(x + 2)

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3 years ago

A marble is randomly selected from a bag. The probability of selecting a marble with dots on it is 0.2. The probability of selec

marin [14]

Answer:

0.5

Step-by-step explanation:

Let D be the event of selecting a marble with dots.

Let P be the event of selecting a purple marble.

The probability of selecting a marble with dots, P(D)=0.2

The probability of selecting a marble that is both purple and has dots, $P(D \cap P)=0.1$

We want to determine the probability of selecting a purple marble given that the marble has dots on it, P(P|D)

By the definition of conditional probability:

$P(P|D)= \dfrac{P(P \cap D)}{P(D)} \\= \dfrac{0.1}{0.2}\\ =0.5$

The probability of selecting a purple marble given that the marble has dots on it is 0.5.

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Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

Circumference = Pi * radius^2

The radius is half of the diameter, 23.

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2 years ago

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