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4 years ago

Which one is a function?

Mathematics

1 answer:

JulijaS [17]4 years ago

5 0

If I’m wrong I’m really sorry. but I’m pretty sure it’s A.

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A card is drawn one at a time from a

soldi70 [24.7K]

Answer:

$\dfrac{2}{11}$

Step-by-step explanation:

It is given that a card is drawn one at a time from a well-shuffled deck of 52 cards.

Total repetitions of this experiment = 11

Number of kings in the experiment = 2

Let E is the event in which a king is drawn in the 11 trials. So

$P(E)=\dfrac{\text{Number of kings in the experiment}}{\text{Total repetitions of this experiment}}$

$P(E)=\dfrac{2}{11}$

Therefore, the experimental probability P(E) is $\dfrac{2}{11}$ .

3 0

3 years ago

en una fiesta de disfraces dos quintos de los invitados van disfrazados de superhéroes un quinto de animales y el resto de zombi

Ede4ka [16]

solo un quinto que sería 90 disfrazaos

7 0

3 years ago

3x^2-12x factorise in the form (x+b)(x-b)

Alekssandra [29.7K]

Answer:

$3x(x-4)$

Step-by-step explanation:

$3x^2-12x$ cannot be factorised in the form (x+b)(x-b) unless one of the b's is zero, so I wonder if the expression is incomplete?

To factorise $3x^2-12x$ , take out the common factor $3x$ :

$\implies3x(x-4)$

Therefore, x = 0 and x = 4

- - - - - - - - -

$3x^2-12x$ factorised in the form (x+b)(x-b) would be $(3x+0)(x-4)$

but it is not usual to have a zero in a factorised form.

5 0

2 years ago

What is the exponential equation

Len [333]

I am pretty sure it’s the second one

3 0

3 years ago

12:53:34

Drupady [299]

Answer:

Reference Point

Step-by-step explanation:

The answer is reference point. This is because reference point is used to determine if an object is in motion or if it has changed is direction.

Thus, reference point has to be a value of zero for us to use it to determine if an object has moved.

8 0

3 years ago