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telo118 [61]
3 years ago
11

Flip a coin 4 times and calculate the experimental probability of the coin landing heads up. Flip a coin 4 more times to increas

e the total number of trials to 8. What is the experimental probability of the coin landing heads up?
Mathematics
2 answers:
Allushta [10]3 years ago
8 0

Answer:

3/4 and 5/8

Step-by-step explanation:

MaRussiya [10]3 years ago
7 0

Answer:

0.35 Not sure

Step-by-step explanation:

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A straight line is 180º . This means that
3x+6x=180.

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Find the range of this function. what you see is a parabola
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Answer:

y\geq -6

Step-by-step explanation:

we know that

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The vertex is the point (0,-6)

therefore

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3 years ago
In which of the expressions below will x = 12.5? Select all
erma4kov [3.2K]

The answer is D

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4 0
3 years ago
Read 2 more answers
What is the equation of the parabola in vertex form with vertex (2,-4) and directrix y=-6​
Pachacha [2.7K]

Answer:

y=\dfrac{1}{8}(x-2)^2-4

Step-by-step explanation:

The directrix y=-6 is parallel to the x axes, so parabola has equation of the form

(x-x_0)^2=2px(y-y_0),

where (x_0,y_0) is the vertex of parabola and p is parabola's parameter.

By the definition, \frac{p}{2} is the distance from the vertex to the directrix, so

\dfrac{p}{2}=2\Rightarrow p=4

Hence, the equation of parabola is

(x-2)^2=8(y+4)

See attached diagram for the graph of parabola and its directrix.

In vertex form this equation is

y=\dfrac{1}{8}(x-2)^2-4

8 0
4 years ago
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