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Mathematics

1 answer:

Mila [183]3 years ago

3 0

If you roll two dice, there are 6•6 possible outcomes (36 outcomes). That’s your denominator.

To roll a 9, you’d need
Die 1: 3, Die 2: 6
Die 1: 4, Die 2: 5
Die 1: 5, Die 2: 4
Die 1: 6, Die 2: 3

There are 4 ways to roll a nine, so that’s your numerator.

4/36 or 1/9 is your probability.

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Which of the following is the graph of y = sin(0.5x)?

Alexeev081 [22]

You did not include the graphs, but I can explain how the graph is and so you can recognize it.

1) for x = 0, y = sin(0) = 0, so the origin (0,0) is part of the graph.

2) The range of the function is the interval [-1, 1]. This is, y is from -1 to 1, and the graph oscilates (is a wave) between those minimum and maximum.

3) The periodicity, P, of the function is such that 0.5P = 2π = > P = 4π

That means that the values repeat every 4π interval (which is the same that 720°)

4) The zeroes of the function are 2π * n, where n is any whole number (negative, zero or positive).

That means that the function crosses the x-axis at

..., -6π, -4π, 2π, 0, 2π, 4π , 6π, ...

5) It is an odd function (which means that f(x) = sin(0.5x) = - f(-x) = - sin(-0.5x).

Now you have plenty information to identify the graph.

I also include a graph of the function in the attached pdf file.

Download pdf

5 0

3 years ago

Read 2 more answers

HELLLPPPP FASTTTTT !!!!!!! When working with scientific Notation What does a negative exponent let you know about the size of th

Nimfa-mama [501]

Answer:

A negative exponent means that the number will be a decimal.

so 4 X 10^-9 (-9 being the exponent of 10)

the answer to this equation would be 0.000000004 because the decimal moves 9 times to the left

8 0

3 years ago